>>pronik+Wr
The point of it is that it isn't a company but a standard, so if one instance owner goes crazy and patches ads in you can move to another (or your own) and keep your network
>>Macha+Rt
The problem there is that there's nothing stopping the crazy instance owner from retaliating by "defederating" your own instance and cutting you off from your network.
>>bdw520+xA
He could defederate from you, but one for his instance. If you haven't pissed off the whole federation and you backed up your data (another thing you can do on mastodon) you'll be fine, and keep all your followers too.