Well, male stuff sells... just not to the extent that female content does. And thats primarily why creators shy away from it. But that is actually precisely the point Genesis is made to help with. Sure, its not gonna do the trick in all cases, but I think it certainly helps.

To make an outfit for Genesis (even a female one) you have to model it to the neuter base (for reasons that make the development easier) If it is modelled to the neuter base from the start, and the outfit can go either way in its design (but is marketed primarily for females) then someone can buy it and use it for male purposes.

Traditionally, if it could go both ways in its style, but didn't have the morphs to make it male, then that kinna canned the entire idea of buying it for that reason. Genesis actually opened up the possibilities. It might not be as far going as people hoped, but something is definitely better than nothing - and its a start.