i mean, if that is the case then it happened in the 18th century when the industrial revolution caused the undoing of the jeffersonian ideal and the supremacy of the yeoman farmer. i tend to gather that most of this site's users are not planters, candlestick makers or slave owners.
if anything destroyed the fabric of communities in post-new-deal-industrial-world-superpower-america, it was financialization and trade agreements.