Because that’s yet another category of junk that does exist. And yes that’s easily going to be an order of magnitude larger. But that doesn’t mean attackers do

Because that’s yet another category of junk that does exist. And yes that’s easily going to be an order of magnitude larger. But that doesn’t mean attackers don’t exist, or that they happily co opt those communities to seed and propagate their content as well. And most of that content stays up. It takes a lot for any of the tech cos to act right now.