I have the most popular NSFW LoRA (actually a LoKR but whatever) for at least one major text to image model on CivitAI.
Once it blew up I made a Patreon, maybe 6 months ago? I get $50 a month from it. I doubt that even covers my electricity costs for training.
Podcasts and videos do have the advantage of being able to ask for people to donate with every podcast/video, but people just aren’t inclined to give their money away when they don’t have to. It’s a rare trait.