Only sort of true.

Consider the OpenAI case of "goblins". The models overfit to a specific type of output. Goblins was a specific case of this type and needed to be corrected.

https://openai.com/index/where-the-goblins-came-from/

> We unknowingly gave particularly high rewards for metaphors with creatures. From there, the goblins spread.

Fashions change; ideas that look AI-generated are out of fashion right now.

I've never really cared about fashion.

If it was used as sparingly, appropriately, and skillfully in AI writing as in human writing then AI writing wouldn't stand out as so mediocre and cringe.