I‘m not in expert user. My experience: I planned to create a worldbuilding series for an sci-fi Aztec empire. Designed that empire, created some leading characters and made AI images for their spaceships.

I then posted the image of the ship with the accompanying fluff and got some upvotes. I also crossposted this into an AI art area.

Next day, my original post had vanished without trace, while the crosspost still existed.

For me, this was my Wikipedia moment where I decided to not put more effort into lemmy.