It is already being normalized with all the woman teachers going after their young male students. This was the most palatable way for the idea to be introduced. I don't watch the trash, but I am sure that modern comedies are subtly and not so subtly introducing the idea that young persons can be and often are adults trapped in little bodies.
T.V. is what is going to get this through in the states, it is simply the greatest weapon ever devised. The American people already officially believe that a person is whatever sex they imagine, which is pure fantasy, which means anything goes now.