Yeah again I guess this is the choice isn't it? Those communities spring up everywhere, but instances can still block one-another. I'd say it's better to have a choice of moderation style than one grand overseer.

>It is and it isn't. I imagine your humor implies that technical people are using Mastadon, ie the same type that would be using HN, but the reality is that while that is true, Twitter "rejects" are also using Mastadon. Sometimes this means communities filled with very.. controversial people.

Mastodon being federated, though, means that while the controversial people may be using it, the rest of the Mastodon-Verse doesn't need to interact with them.

The big trouble with Twitter is that if those people want to harass you, you as a user have very little choice but to sit there and take it.