No, no, you're both right, and I realized after I went to bed last night that I was taking that completely the opposite of the point of the story (1am posting, whooo). Because Kate is a legacy hero and not a sidekick, and Clint never does the whole "Try harder, Robin" thing with her after that first time. I think what I meant was that adult superheroes are so busy with superhero problems and the trauma that they accumulate over time that the younger superheroes sometimes end up looking like the functional adults in their partnerships and having to go around picking up after people who are older than them. If only because they've had less time to get messed up? Which, even if they are not looking for a mentor figure per se, is still not entirely fair to them as kids/young adults.