For me, it just removes believability to the point of unreachable. Even in games like Halo where it's story is set in an extreme future and rooted in sci-fi, the idea of a female being strong enough to take down armies, or have the testosterone levels to push hard enough to do it, is ludicrous. The only case scenario where it would make even a slim bit of sense is when she's genetically modified but when you have games like Halo 5 where the female spartans have extremely feminine bodies, void of the effects of strength and muscle, it again, fails miserably.
There's a reason why the worlds armies are almost exclusively male. Evolution did not intend for women to physically compete against men. Mentally? Sure. But not physically.







