This makes no sense to me. What else would be worthy of being called grandiosely a facet of human experience if not sex? Sex has it’s olace among the importan experiences of human life - it’s how human life starts. It’s an important driving force, it influences people’s life, decisions, relationships, even lack of sex and the resulting frustration influences human behaviour. Asexuality is actually very interesting for the same reason - it’s a lack of something that most people experience. I wpuldn’t mind more films woth openly asexual characters. Falling in love is depicted very often even though there are aromantic people who don’t experience it.