This case is a pretty horrible assault on personal liberty. If the women were unable to give consent, then that would be rape, and illegal.
If they can say that he's too dumb to have sex, shall they test bimbos before they are allowed to put out? The inner city pregnancy rate out of wedlock is very high, so are they too dumb to understand as well? How about ugly people, don;t they realize that 2 ugly people are more likely to breed unattractive kids?