Yes, but I don't have the power to predict the future and know which instance that's good today will turn bad at some point, so does it really matter? > The wh

Yes, but I don't have the power to predict the future and know which instance that's good today will turn bad at some point, so does it really matter? > The whole internet used to work that way, where you'd have a separate account for every niche-topic forum. True, and I'm personally happy it's not like that anymore. And you can still create a new identity per topic/interest if you want to, so arguably federated identities are the best of both worlds.