You can move countries, I've done it myself. You can't escape the control of whatever single government claims authority over the land you live on though, and you likely can't/won't move to land that isn't claimed by a single government.

YouTube can censor what they want, you don't have to use it and they can't send police or military after you. You can't move to a land where a single government has control and can send police or military to impose their will on you.

Who controls the media - controls the population. Who controls the population controls the government.

Every democracy will become oligarchy eventually if we don't regulate social media. Most of them won't even be controlled domestically (because the media are global).

There's like 50 people who decide 99% of information people consume worldwide. Or at least what algorithm should decide.

These people know what power it gives. That's why it was worth it for Elon to buy Twitter. It was trading money for political power. And there's nothing anybody can do. This IS oligarchy.

An oligarchy is only one of many outcomes. We could end up with a totalitarian state, feudalism, or a monarchy to name a few.

I do agree, though, that media plays a large role and (should) hold a strong responsibility for where we end up.

So you're thinking we shoud just hope they will do the unprofitable but noble thing?