I strongly support an opt-in model. You are given a list of ‘tags’ that denote content and that are most popular, and you can add them to your home feed. The unselected tags simply show the most popular posts of the most popular unselected tags.
That’s the system I think of at a glance, which I can already think of ways to game with bots, but I think there are likely much smarter folks out there who can work on solving those issues.
There’s an entire section of Hamas’ Wikipedia page dedicated to it. The gist is that there’s testamony that Israel explicitly funded Hamas in order to counter the PLO. This was to ensure a Palestinian state would never materialize.
I have not researched the matter due as enough to have a full opinion, though I’ve heard multiple individuals state that it is almost indisputable that it happened.