Why should it be more acceptable, exactly? This is not even about sexual education, it is literally illegal to explain to those kids that sometimes a man and a woman love each other, and sometimes two men or two women do the same. Of course, the first part will never be enforced, but the second and third clearly will.
There is no age at which it is inappropriate to listen about these extremely basic facts of the world.
There is no age at which it is inappropriate to listen about these extremely basic facts of the world.