> But I think its pretty creepy that a handful of large tech CEOs will be able to get together and prevent that from happening by shutting him off from every social media platform and biasing search results, even so far as censoring our private communications via FB messenger, email or similar chat apps.

None of what you've described would prevent him from running. And in fact, thanks to Streisand Effect, much of it centers him in the public eye.

You can't buy that kind of publicity.