Earlier quoted context omitted.
It really is sad that public spaces are now full of people doing private things. Yes, they're often being social in a way, but in most of those cases they're interacting with people they already know at the expense of getting to know the new people around them. That impedes the formation of the broad and diverse web of relationships important to civic community. I don't think there's a simple answer to this. There ju…
That is one social norm. My norm is that I don't owe people my time, which you may consider rude.
To be concrete, it has less to do with forcing anyone to do anything than with changing the environment such that, across the population, it's harder for those on the margin to interact socially.