Self hosting is just an extension of open source software. It’s only goal is being able to run your own backends of apps to not be exploited by major companies. It’s goal is not to be a niche technical hobby, if that’s your goal in its own right, then get a model train or a Warhammer set.

Mainstream consumers don’t know words “Plex” and “Home Assistant” either.

Yes, they do lol. It’s flat out weird to think that the only people who have ever heard of pirating are software developers and server admins who use the command line.