Tempted to say the problem is just the internet breeding toxicity in general. Maybe we could all do better with less internet and more nature time
In my idea the place itself would be neutral/non-significant, and you could only be in one place at a time, like IRL.
There's something to be said for this. Schools have their problems. Plenty of drama, bullying, harassment, marginalization, extremism. But when it's limited to a school network, it doesn't swing national sentiment, aid and abet genocides, provide an outlet for foreign adversaries to subvert race relations in your country.
But it does mean ad campaigns can't have global reach.