The things recommended by the “manosphere” will help you maximize your potential. That potential is obviously bound by your genetics, but this doesn’t change the fact that you want to do as well for yourself as possible.

I’m not exactly sure what you expect here. There’s nothing to be gained from giving up on yourself because your genes suck. Will the gym fix your height? Of course not. Are you way better off as a fit manlet rather than a bowling ball? Also yes.