I agree, from my experience it seems that areas with a more unplanned "chaotic" buildup also seems to have both more diversity in class/social/race and also muc

I agree, from my experience it seems that areas with a more unplanned "chaotic" buildup also seems to have both more diversity in class/social/race and also much more community activity overall. I grew up in one of those homogeneous planned neighborhoods that are supposed to be nicer with their gatehouse and HoAs, but it's my current place with it's development clusterfuck that results in pristine McMansions sitting next to mobile homes with abandoned cars in the front that I feel the most at home.