> It appears that the primary use case for both of these open source tools currently is NSFW
Bear in mind, people who only need SFW images can get AI image generation online for free, from the likes of craion/midjourney/dall-e.
Whereas it sounds like you needed a 'second 3090' i.e. the open source option needed you to own 2x$900 of hardware.
Why would someone who wanted SFW images choose the $1800 open source option over the free closed source option?
Oh, granted there might be some people with strong pro-open-source principles, but also no particular qualms about the AI ripping off real artists. But is it really so surprising those people are outnumbered by people who like porn?