They can't claim to be impartial like ISPs and avoiding all the responsibilities of a publisher while at the same time dictating what can and can't be said. YouTube has constantly running "live" videos of 100% crypto scams. They have been told about it again and again. They have ads running for these scams and they do nothing about it.
I think this is about the global financial system. Facebook = Libra. Why would they not fight against the real solution to their plans?