Don't you think the FBI is going to be looking through his website? I wouldn't be surprised if they poked around in other servers while they were at it.
I think, for the most part, free speech is a right people expect to keep after they're dead. If you say something, the government isn't allowed to censor it, even when you're no longer around to stop them. I would want a host that would support that ideal.
Ah, I thought that someone was suggesting changing hosting companies because the host was also used by Stack, not because the host took his page down.
I would also want a host to keep sites online for as long as they'd been paid for.