Twitter is a hunk of horsefeathers. Musk fired something like 80% of the workforce, which dipshits cheer about while totally ignoring that Twitter itself is only technically "working" along the lines of a years-old office PC that is left on 24/7. It has completely lost almost all advertisers and is hemorrhaging users and is only still running because the owner essentially has unlimited funds to keep the lights on for as long as the current version can keep running until it collapses.
BlueSky is...fine. It's an infinitely more tolerable experience to the dumpster fire Twitter and Zuckerberg's monstrosities have become, but it's still hinged on replicating a massively flawed and inherently harmful social media experience, so....yay? It's a better version of an unavoidably bad model.