Porn (visual and written erotic impression) has been a normal part of the human experience for thousands of years. Across different religions, cultures, technological capabilities. We're humans.
There will always be a market for it, wherever there is a mismatch between desire for and access to sexual activity.
Generate your own porn is definitely a huge market. Sharing it with others, and then the follow-on concern of what's in that shared content, could lead to problems.