he doesn't have the time to train. if he had he probably would've learned a lot of stuff.
plus I think kishi doesn't want to make him too owerpowered.
In three years couldn't learn how to make a simple gust of chakra infused wind?A few low powers normal techniques aleast.
in three years?
naruto learned about wind chakra after the timeskip. right before asuma died
Exactly my point Jman didn't show him enough.