I won’t be surprised if 3D modeling and rendering software will soon add some sort of mechanism or watermark or a hashfile to prove that it was modeled with this software rather than some slop.
Or you can just look at the geometry. 3d slop is orders of magnitude easier to spot than text slop.
Yeah obviously, it’s better tho to filter the noise in advance, but if AI slop flooded a market place, real designers might stop uploading and sharing their work.