It's a combination of calling the defects the healthy state, and making things up. Yes, healthy children will not want to play with the deficient children, and

It's a combination of calling the defects the healthy state, and making things up. Yes, healthy children will not want to play with the deficient children, and see them as low status. There is nothing undesirable about that, it seems to be a conserved reaction, even fruit flies do that. The sane solution is to make everyone a noble. Rooting for the cripples is not reasonable.