http://nytzrhrjjfsutowojvxi7hphesskpqqr65wpistz6wa7cpajhp7a.b32.i2p/cgi-bin/blog.cgi?page=108
While it's entirely possible that one of the jump services could get compromised, this is rather unlikely. But, they have the threat model they have, and that's how they are going to roll with it. This does bring up the question of trust. At some point, you have to trust someone as an entry point.