If you have a monopolistic ISP that refuses to provide service to you because they don't like your content, and they're your only option, then that's a problem.
If you have multiple tens of CDN providers and they all don't want to carry your content, then perhaps you should really take a look at your content and have a hard think about why it isn't wanted.
And regardless, a CDN isn't necessary to host a website. A CDN certainly makes it easier to achieve lower-latency global reach, and is useful in helping you weather certain types of attacks on your infrastructure, but they're by no means required. And there are other ways to achieve those goals.
Hosting a site, on the other hand, has a multitude of very different providers to choose from. Even if you manage to get banned from every hosting provider in the US, ship a server to a colo in Kyrgyzstan or whatever, and keep right on going.
...according to Title II, yes, they absolutely are.
The phone company is required to serve you even if they disagree with you not because of some high-minded ideas about free speech, but because it’s considered really important for people to have phone service.
