Because they are crap!
Here are my blender stages:
ArtStation - The Primate
It’s exhausting and discouraging to always have to fight back, even here. It is actually insulting. Anyway…
Blender:
Cycle rendering:
Using hive:
Using Isgen-Ai:
Please note that the majority of artists are dedicated and act with integrity. Before making any accusations, ensure that you have sufficient evidence to support your claim.