I didn't mean pornography's moral/immoral line, I meant the "what is pornography" line. The obscenity line. I just picked it because it's a famous example of l

I didn't mean pornography's moral/immoral line, I meant the "what is pornography" line. The obscenity line. I just picked it because it's a famous example of lines that are very difficult to legalistically define, but most people can recognize, at least culturally similar people.