Mastodon may or may not be good (I don't use it), but the fact that it segments off users into different groups means it will never be a twitter replacement. The fact that twitter is essentially "public" and all sorts of people from different areas interact was basically the whole point of it.
Bluesky seems pretty nice so far and it has real momentum. Mastodon seems more along the lines of what Google+ turned into.
Mastodon doesn’t silo its users, that’s what federation is for. Everything you post on the public timeline is essentially public for everyone that’s on a federated instance that hasn’t gotten blocked.
I'm just dreading the inevitable monetization. These spaces are fun in their alpha state. But it's just a matter of time before there's a "Let AI help you spam Shrimp Jesus to your friends" button and a "Pay $5 to override the Block function" feature.
I would argue siloing is easier on bluesky - block list manager drama can definitely have a similar effect to user admin drama. The thing mastodon does poorly is discovery. The fed and local feeds are nonsense on Masto. Imo it should be replaced with local admin/user curated topical feeds and top cross server topical feeds.
Mastodon requires far more effort to create a new feed than bluesky, and that's the major problem.