I have to disagree, as little kids don't have such standards or expectations. My friend just took her 3 year old, and Mr. Toad was her favorite ride! Kids see value in rides like that.
It doesn't have to do with gender roles, it has to do with kids recognizing themselves on screen. Little boys desire male heroes/protagonists. If Disney wants to capture more male demo, then they're going to have to start focusing on developing new male protagonists and centering simple but...