The liberal Pew Research Center polled Americans and found 56% believe biology determines a person’s sex. Among Democrats, only 34% do.
81% of Republicans believe in biology.
This shows the power of propaganda. Schools and the media have confused people to the point where they believe there are more than two sexes (there are not) and that sex is a social constraint (it is not).
The young and the liberal are gullible enough to fall for the propaganda