It's not "may", it's will. It will seriously impact kids immune system development. Masks is a one way door. When society demasks, we will have to face down 1-2 years of lost herd immunity.
This is one of the reasons I put my child back into daycare. Though it was nice to not have any runny noses for 6 months. First month back and snot everywhere, so oddly enough I’m happy again