I think social media typically 'amplifies' the worst facets of people in general, and Facebook have built a business model around it. At least the public posts, widely shared or large groups. I'm sure most people in their small groups behave better.
Twitter understands this and has begun restricting amplification
In what way, exactly? All they seem to have achieved so far is to make Trump's posts more reported on, that's the opposite of restricting amplification.
If you're going to leave hate-filled posts by a world leader up on your platform, but it's also okay to restrict amplification of those posts.
Twitter understands this and has begun restricting amplification in various ways. Will Facebook next do the same? This post suggests that they will not.