Or both.
Problems with authority, always want to know the reason for everything... don't know if I'll ever leave my rebellious teenager phase.
If it's just direct clickable links that are a problem, and I can just wrap them in code tags so they aren't clickable, then that's fine with me. Unless I'm extra feisty. ..nah. Usually, given enough terms, it's not hard to search for things either.
I guess they want to avoid spam and "free advertising". Either way, I prefer if the rules are clear..