User blog comment:Damac1214/Why Call of Duty is Call of Duty, Fallout is Fallout, Halo is Halo, and that they aren't going to be changing anytime soon/@comment-201.76.80.69-20130313041250/@comment-25496444-20130313123949

CS was and probably still is a very popular game despite being mainly on just PC. And I'm assuming he didn't say every CS player is a nerd but they're rather stereotypically considered to be, hence "archetypal".