I don't see it as a major inconvenience to have special computers for children's use, with filters installed. Then, where explicit permission is given, the child can use adult computers. Thus, adults still have full access, and children are protected, yet can have full access if parents allow. It is illegal to discriminate in whom one hires based on sex or race. That is a moral judgment.
Hate crimes are illegal.
That is a moral judgment. It is illegal to assist a suicide. That is a moral judgment. You can't have sexual intercourse in public places. That is a moral judgment.