When I think of marketers, I think of the marketing assholes from the old Dilbert TV show, both of whom where men. I am in fact completely unfamiliar with this

When I think of marketers, I think of the marketing assholes from the old Dilbert TV show, both of whom where men. I am in fact completely unfamiliar with this stereotype. Can someone enlighten me as to the origins and propagation of this character?