If mainstream platforms were federated, you could move to a third instance that would communicate both with the big instance and the banned instance. Hell, you

If mainstream platforms were federated, you could move to a third instance that would communicate both with the big instance and the banned instance. Hell, you could even host your own instance and still be able to talk to people on the big social network. That's the missing piece that would make those "you don't have to use that website" arguments valid since it would greatly lower the cost of moving away from one social media website to another.