So I'm going to be especially nerdy right now. If you don't like it, tough.
Want to avoid yet another social network that crashes and burns?
Learn how federation works!
If an instance you're on is terrible, migrate to another.
If you're encountering trolls and neo-Nazis, block their entire instance.
If you want complete control over social media, start your own instance.
Federation: those are your brakes. Now don't crash your car!