Trying to figure out the distinction between "watching" and "friending" here, and it seems to me that "friending" should be reserved for those people that you know quite well. You should watch people who you're a fan of but don't really know, and friend your friends that you talk to on a regular basis and get along nice with, right?
I guess what I'm saying is that if you send a friend request my way, and I don't talk to you over IMs or such, then the request is probably going to be denied. You're free to watch me, but I'll leave the friends to the peoples that I talk to on a regular basis. I'm just not sure any of them are on here yet.