I read a comment on Siliconera (not gonna try to find it because it's probably lost under a bunch of other comments now) on the article about the Xenoblade X boob slider, gonna paraphrase it because damn it really made a good point:
As a girl that had a pretty large bust at 13 years old, I feel a bit insulted, because people are acting like girls with boobs that size don't exist at that age, and if they exist in a fictional medium, they're being sexualized. Moral guardians may try to frame this as sexual objectification, but with the context being that it's a game and this seems to be the entirety of anything remotely sexual in the game, it's a non-issue.
Again, paraphrasing, but we probably should stop being so sensitive to little things like this, not to mention that if some creepy pedophile or whatever wants to ogle big boobs (they're not especially
big, anyway) then they have better places to do it online; plus there's also a fetish for loli/shota, so maybe we should also take out the ability to give young characters swimsuits at all.
edit: I recall someone pointing something out about this in a similar situation, suggesting it's odd that South Park gets away with significantly worse than this on a regular basis (off the top of my head this
comes to mind, and that's arguably tame by their standards)