I don't think we should ever celebrate people being deplatformed.
https://www.eff.org/deeplinks/2023/08/isps-should-not-police-online-speech-no-matter-how-awful-it
If the content is illegal pursue legal means to punish the posters. But to create a layer of censorship on the internet, that is enforced by opinions of companies, is a terrible precedent
But let's say they win, and they get the domain blocked everywhere. They'll just launch a new domain, just like all the pirate streaming sites do.
If a telecommunications provider disconnect someone because of content, they should lose their safe harbor provisions as a telecommunications provider. They should now be responsible for all content on their wires because they're now editorializing