DO NOT COMPARE FiM TO LIVE-ACTION DISNEY. EVER.
For that matter, comparing
Avatar to
My Little Pony, while not insulting to either per se, is...well, it's not something that I would have immediately thought of, to say the least.
I don't understand why anybody bothers with bad work for children, including children, and I don't understand why anybody dismisses out of hand good work for children, including adults.
Dora the Explorer, being for toddlers who aren't fully lingual yet, is a bit tiresome, but in some ways there's a lot less, shall we say, aesthetic-psychological difference between older children and adults than a lot of us in the modern western world like to think.