It's all tier based, the can send the request to open up the recv. It's not a hardware lock. So it's not a issue.
As for the censorship, I think it's a load of BS. You buy the unit, and you HAVE to option to block out the channel so that the kids don't listen or anything like that, it's not a big deal, much like you can block out channels on your TV.
Also I have been listening to his show since the move to satellite and it's not as bad as people make it out to be.
Twenty years from now you will be more disappointed by the things that you didn't do than by the ones you did do. So throw off the bowlines. Sail away from the safe harbor. Catch the trade winds in your sails. Explore. Dream. Discover.