DeadNotSleeping on 18 October 2008
This is just precautionary stuff, giving them the right to take action if things get out of hand. Do you have any idea the manpower or the resources that would be necessary to spy on the activity of every singly PS3? Trust me, there aren't a bunch of shadowy men listening in on your conversations bent on ruining your fun. This is just so that if they eventually find out that something's going on, they don't have to jump through legal hoops to do anything about it, which is ultimately in everybody's best interest.
That being said, so long as you aren't doing anything ethically questionable or contrary to common sense, you should be fine. Let's not start rallying the troops to tear down Skynet just yet.
