If you're gonna tell someone they're wrong in such a dramatic way you need to explain why.
Even if his numbers are wrong, I'll never believe you that IRC was more used than say, AIM or ICQ, let alone any of the popular modern instant messenger and chat apps.
Ok, fine. But can we at least reverse the gamer/geek label. It was always a geek tool - gaming was far secondary. Look at bash.org and tell me the majority of IRC was used for gaming vs. geeking.