We lack the moral courage to be honest about why real world community disintegrated and are therefore doomed to suffer these pedantic lectures that miss the point and point in random directions.
The result is a pervasive societal siege mentality with everybody retreating into their homes. The Starbucks data on where "third places" are thriving or dying aligns very well with this model.
The answer is as obvious as it is unwelcome, which is it slow down a bit and give people and families time to adapt to their strange new neighbors and neighborhoods.
I mean, I would never consider just go to a Starbucks and expect to meet people without having to pay for something