I have a Quest 3 and I think I've only opened Horizon Worlds once. It's a very small part of the overall offering. If you can find a used headset for $200, it's a no brainer buy
I mean, the device is still being sold and it's not like you are missing out on anything, unless you are one of the 3 people on the planet who actually uses the "Metaverse". Most people use it for games, and it's fine.
Someone on Reddit did promptless img2img in comfy by passing an image into vae decode and then thru the schnell model for a kind of a refiner, with great results