Her talk about Super Princess Peach didn't really make much sense to me. If you actually play the game, you understand that it's void of any PMS joke about frantic female emotions. The whole point of the Vibe scepter is that it throws people's emotions out of control. That's how Bowser's minions were able to kidnap Mario and Luigi in the first place. Hell, even Bowser doesn't have complete control over the scepter and experiences the exact same "mood swings" as every other character in the game when he uses it. Peach benefits from not being effected by the scepter at all. In other words, while everyone else on the island has their emotions thrown out of whack, Princess Peach is the only character who does, in fact, have complete control over them. Not only that, but the idea of using emotions to attack others doesn't seem delved in any sort of gendered stereotype to me. I think we can safely say that we've seen rage and sadness used as weapons of sorts for a variety of characters, regardless of gender.