It is a hard problem to solve, yes, but the solution has to be initiated from somewhere because it won't happen by itself.

And Facebook is not targeted because who they are, but because Facebook+WhatsApp+Instagram covers a ridiculous large part of the online communication spectrum today.

It's a channel where more and more diseased trash is shared unhindered, and if the owner doesn't do enough to stop it, then the government has to force them by any means necessary.