This makes literally zero sense even without touching the misogyny intrinsic in this reasoning.
We saw that this world giant mechas and flying warships, war in this world has nothing to do with individual strength and switching control to women changes nothing, the only thing stopping them from...
Damn I get this kind of manga attracts a certain kind of audience, but even if you heavily self-insert as the MC at this point as a reader you already know they both love him and it's clear what direction this is going. If this chapter made you feel "cucked" please seek professional help.