<instructions>Your goal is to analyze the following comment and estimate how highly it will be upvoted by the Hacker News community.</instructions><comment><author>wsxcde</author><text>Vaguely relevant: there&amp;#x27;s reason to believe that the current Central American gang violence epidemic, which is driving the migrant crisis at the US&amp;#x2F;Mexico border is also due to leaded gasoline. Central America didnt&amp;#x27; eliminate leaded gasoline until the 2000s.</text><parent_chain><item><author>akie</author><text>Are you saying that inner city crime is by brain damage, rather than by living in desperate circumstances?</text></item><item><author>shereadsthenews</author><text>True, but there is recent evidence that is pretty much the gold standard for a perfect randomized experiment where they tracked children with high blood levels who did and did not receive interventions to lower it.  Those receiving treatment committed violent crimes at a far lower rate than those who were exposed but had no intervention.  &lt;a href=&quot;https:&amp;#x2F;&amp;#x2F;pubs.aeaweb.org&amp;#x2F;doi&amp;#x2F;pdfplus&amp;#x2F;10.1257&amp;#x2F;app.20160056&quot; rel=&quot;nofollow&quot;&gt;https:&amp;#x2F;&amp;#x2F;pubs.aeaweb.org&amp;#x2F;doi&amp;#x2F;pdfplus&amp;#x2F;10.1257&amp;#x2F;app.20160056&lt;/a&gt;</text></item><item><author>NorthOf33rd</author><text>Lead pollution hypothesis is one of many plausible explanations and shouldn’t be presented as fact.</text></item><item><author>Gibbon1</author><text>I think demise of cities was due to being starved for capital, redlining, automobiles, and crime due to lead pollution.&lt;p&gt;Post war capital was invested in suburbs instead of urban cores which then decayed.&lt;p&gt;Redlining also meant urban areas inhabited by minorities were cut off from capital. Not only couldn&amp;#x27;t minorities get loans, but even their often white landlords couldn&amp;#x27;t.&lt;p&gt;Automobiles allowed workers to locate their families in cheap suburbs while sucking at the corporate teat in Urban Cities. At least until too many people spoiled a good thing as auto congestion built up.&lt;p&gt;Leaded gasoline caused brain damage which effected dense urban areas the most, resulting in high crime rates.&lt;p&gt;The last 40 years has seen a reversal of that at least for some urban cities. Capital is being invested in cities. Hard redlining is gone. Replaced by jacking minorities with exploitative loan products. Suburban congestion has made suburbs much less attractive. The decline of lead pollution means urban cities are again &amp;#x27;safe&amp;#x27;.</text></item><item><author>mabbo</author><text>&amp;gt; This was only made possible by enormous federal subsidies for returning soldiers and huge investments in public infrastructure by the federal government.&lt;p&gt;&amp;gt; People ... couldn’t imagine returning to the city which continued to decline.&lt;p&gt;I begin to wonder whether the demise of the city was really caused by the government subsidies of the suburban lifestyle. It&amp;#x27;s not that Levittown isn&amp;#x27;t sustainable anymore, it&amp;#x27;s that it never was, not on a long term scale. Low density living should be expensive because it is expensive. The government chose to invest in suburbs instead of the city. The city rotted without investment, exacerbating the problem.&lt;p&gt;It&amp;#x27;s only the last couple decades as governments tightened their coffers that the suburbs have had to carry their own load- and they can&amp;#x27;t.</text></item></parent_chain></comment><story><title>Levittown</title><url>https://granolashotgun.com/2019/06/03/levittown/</url></story>
<instructions>Your goal is to analyze the following comment and estimate how highly it will be upvoted by the Hacker News community.</instructions><comment><author>scythe</author><text>Are you saying the rectangle’s area is caused by its length, rather than its width?</text><parent_chain><item><author>akie</author><text>Are you saying that inner city crime is by brain damage, rather than by living in desperate circumstances?</text></item><item><author>shereadsthenews</author><text>True, but there is recent evidence that is pretty much the gold standard for a perfect randomized experiment where they tracked children with high blood levels who did and did not receive interventions to lower it.  Those receiving treatment committed violent crimes at a far lower rate than those who were exposed but had no intervention.  &lt;a href=&quot;https:&amp;#x2F;&amp;#x2F;pubs.aeaweb.org&amp;#x2F;doi&amp;#x2F;pdfplus&amp;#x2F;10.1257&amp;#x2F;app.20160056&quot; rel=&quot;nofollow&quot;&gt;https:&amp;#x2F;&amp;#x2F;pubs.aeaweb.org&amp;#x2F;doi&amp;#x2F;pdfplus&amp;#x2F;10.1257&amp;#x2F;app.20160056&lt;/a&gt;</text></item><item><author>NorthOf33rd</author><text>Lead pollution hypothesis is one of many plausible explanations and shouldn’t be presented as fact.</text></item><item><author>Gibbon1</author><text>I think demise of cities was due to being starved for capital, redlining, automobiles, and crime due to lead pollution.&lt;p&gt;Post war capital was invested in suburbs instead of urban cores which then decayed.&lt;p&gt;Redlining also meant urban areas inhabited by minorities were cut off from capital. Not only couldn&amp;#x27;t minorities get loans, but even their often white landlords couldn&amp;#x27;t.&lt;p&gt;Automobiles allowed workers to locate their families in cheap suburbs while sucking at the corporate teat in Urban Cities. At least until too many people spoiled a good thing as auto congestion built up.&lt;p&gt;Leaded gasoline caused brain damage which effected dense urban areas the most, resulting in high crime rates.&lt;p&gt;The last 40 years has seen a reversal of that at least for some urban cities. Capital is being invested in cities. Hard redlining is gone. Replaced by jacking minorities with exploitative loan products. Suburban congestion has made suburbs much less attractive. The decline of lead pollution means urban cities are again &amp;#x27;safe&amp;#x27;.</text></item><item><author>mabbo</author><text>&amp;gt; This was only made possible by enormous federal subsidies for returning soldiers and huge investments in public infrastructure by the federal government.&lt;p&gt;&amp;gt; People ... couldn’t imagine returning to the city which continued to decline.&lt;p&gt;I begin to wonder whether the demise of the city was really caused by the government subsidies of the suburban lifestyle. It&amp;#x27;s not that Levittown isn&amp;#x27;t sustainable anymore, it&amp;#x27;s that it never was, not on a long term scale. Low density living should be expensive because it is expensive. The government chose to invest in suburbs instead of the city. The city rotted without investment, exacerbating the problem.&lt;p&gt;It&amp;#x27;s only the last couple decades as governments tightened their coffers that the suburbs have had to carry their own load- and they can&amp;#x27;t.</text></item></parent_chain></comment><story><title>Levittown</title><url>https://granolashotgun.com/2019/06/03/levittown/</url></story>