Earlier quoted context omitted.
Exactly. Wealthy residents should at some point realize that culture and entertainment venues/options are (often) created by lower income residents. If that disappears you get soulless places which are dramatically less fun to live in. Not to mention the service industry workers, who also need to come from somewhere.
You can get all that online. So it might make sense to move these communities to somewhere very very cheap. Or even distribute them around.
No, you can't.