My respond to that would be. Why can't both be his equals? Is it because faora can be presented as a female version of him, so the pill is easier to...
And according to DC. WW is also an archetype and a standard. A feminist girl power icon and what not. WW being bulletproof or not is not the problem....
It isn't difficult. It just takes time and effort. And a lot of writers and editors don't care enough to invest. Most comics are half baked attempts...