And with that, the debate shuts down... this is the problem with any decentralized networking solution. If it's possible to get rid of the (insert objectionable content here), it's possible to use the exact same mechanism to get rid of the (insert government-disapproved content here). This is why a decentralized internet will never happen.
Hmm... that depends on finding one that's willing to route your requests, and I doubt that those are cheap. Of course, if I was an LEA, I'd set up a "low cost proxy server for requesting illegal content" and start logging requests right now.