There are a lot of phpBB/XenForo/Discourse/etc fouls out there too that get slammed hard by those, and many cases of them just shutting down rather than eating much higher hosting costs. Which, of course, further pushes online communities in the hands of corporations like Reddit and Facebook.

Most of them are simply throwing one of those tools on a VPS or such, which is perfect for their community size, and then falls over under LLM companies' botnets DDoSing them.