But it's so satisfying to one's ego that a single cause is the issue. All complexity of societal changes in the last 50 years can be outmanuevered. Simplification is sexy.
It’s satisfying to know that we’ve eliminated a major environmental toxin with so many awful effects. It doesn’t mean that lead explains everything, but it is a lot better than the “we built enough prisons to lock up all the bad guys, maybe we should build more” alternative hypothesis/proposal I’ve heard.
