Let them leave. Just like FR, Facebook can dictate what it will and will not allow.
They can start their own site “BreastBook” or something.
Oh hell.
Now I can't stand up.
And like CNN Facebook can choose to uniliterally support one candidate in a presidential race for POTUS.
Medias should follow rules of fair debates and free speech in a real democracy whatever can be the personnal choices of the leaders.
Journalist Censorship and treachery should be sentenced...
Free speech implies responsability or it can leed to tyrany