I think this is right. The Willicks are the embodiment of the maxim that "everything is about sex, except sex, which is about power." They are both the most sex

I think this is right. The Willicks are the embodiment of the maxim that "everything is about sex, except sex, which is about power." They are both the most sexually prolific characters in the show, and at the same time, the characters least motivated by sex. It's entirely about power for them.