I don't care much for Generative AI (still too early) but I had some ok experiences with Tripo for retopology and auto rigging.
Still super early days though, I did have some of the same issues you had.
Still super early days though, I did have some of the same issues you had.
I'd say it'll take them some years to finish figuring out 3D, it's a good stretch beyond 2D image generation.