Atheism is the only valid religion in the show. Finally, no traditional family seems to exist on the show. Dawson's parents appear to be normal and happy, except his mother is having an affair. Jen, who just moved to town, lives with her grandparents, one of whom is an invalid. The actors and producers claim this show represents real life.
All teenagers constantly think about sex.
So the show is supposed to meet them where they are at. Higher morals should be expected of teenagers, thus resulting in moral actions.