More of a typical Disney kid show
I can see why it is scored lower. Superheroes all have their reasons to do what they do, they fight crime usually because something tragic either happened to them or their family, because what they are doing takes a lot of time, could be considered illegal, and also put their lives in danger. People don't just do that sort of things without a good reason.
Kamala does not have any of that, also in real world I doubt her family is really going to be happy about it. I think for a typical Asian family having a good education and decent career is usually what parents are more concerned about, being a superhero will get in the way of that.