I thoΓ ught I already replied to that:
I'm sure a lot of parent are bathing with their kids in the world out of necessity. I don't think I would do that, simply because its not in my culture, but I'm not a father so I don't really have a legitimacy in the matter.
In my culture mothers bath kids or with kids so I would find it strange and weird but if it depicted in completely innocent way without any sexualization I don't see why there should be a problem. Maybe they should be more careful to keep boundaries in that case ? I don't know, again, I'm not a kid doctor. I'm only trying to make you understand that your culture is not necessaraly the world's culture on the matter and there are no good or bad sides here (at least on this subject, if we are talking about sexualization, that's another issue)
Then the problem is the pervert trope, its not the fact that its a kid.
That's why I don't like to call myself a Carrot fan. Some weird people are sexualizing Carrot indeed.