I recommend finding everyone responsible for this and exercising your right to free speech on them. It works for politicians, and it should work on this other flavour of bastard too.
Once again, Stallman was very prescient: https://www.gnu.org/philosophy/right-to-read.html
A lot of the push is not for bad actors literally DDOSing servers, but bad users degrading the service for other users. If most users of a service agrees to, for example, run an attestable environment to access a service, then that service should be able to refuse access to users who don’t buy into it.