Let’s be real here, the issue isn’t really “this video game is sexist”, it’s “look how these people react when someone suggests that a video game might be sexist”
whether or not you care about the impact of pixel tits, women saying “these pixel tits are dumb” are met with threats and abuse. That is misogyny, and the reaction to a woman saying “this might be sexist” is more than enough reason for her to be saying it to begin with