It can be checked through lawsuit -- 8chan could conceivably sue Cloudflare under numerous doctrines, starting with breach of promise / breach of contract.
Another service provider could step up, as was the case with Daily Stormer, and is extensively commented upon in Prince's commentary, and provide services.
Regulatory or legal procedures could be established to specifically address this situation or provide redress.
Public outcry, market sanctions, or labour actions might be taken against providers who exercise such power in manners which are seen as morally reprehensible. For similar examples, see Google employees over Dragonfly or Edleman's emplyee backlash over a contract with a border-wall services company.
The question to be asked, the question we all have to ask, is whether or not individuals, groups, companies, or inchoate movements which are themselves dedicated to abolition or denial of civil order and rule of law are themselves deserving of its full protections in pursuing those ends. And a considerable case can be made for "no".
Oh, so you are in favor of shutting down all army related sites? Well, many pacifist would probably agree ..
I don't, so I value it very much. There were attrocities in my countries in the name of common sense on the other hand.
Even if intuitive, censorship isn't an answer to anything.
That's a fairly simple metric. So you're saying we can finally shut down Twitter?
Everyone here wants that perfect idealistic and pure world, unfortunately that's now the world we are given. Problem is many here want to just treat the world we have as the idealistic model world as if there is no difference.
A government funded Reddit?
Which government would fund it? How would it be run?
Critical thinking skills still seem to be a rarity.
If not government funded, a non-profit, like c-span.
You clearly are okay with it because you are posting on a forum with unchecked, active moderation.