Whoa, whoa, whoa. I've been through this round before, and I think it's shit. I have guy friends...my best friends are guys. Nothing has ever happened with them. Yes, Alien got screwed on this one. She sounds immature and he's better off, but you can't generalize based on her.
I've had to defend myself about my guy friends before, and no, you can't trust all women that say this. I realize that raises the question of "how do you know you can trust any of them?" I don't know how to answer that. I know that with me, when I say I have guy friends, that's what I mean. It's just a matter of trusting me. Sometimes, trust can be misplaced, but you can't go into the relationship assuming it's all a big lie.