I’m not sure I understand the analogy. You could say that the reason why artificial flavors work in food is because we know how to recreate flavors from first principle chemistry. The dislike of the artificialness of cheetos also doesn’t stop many many people from eating them.

I would say human made slop writing isn’t any better or worse quality than LLM writing.

Knowing if it was made by a real person makes a difference to me, but I also know it won’t to everyone.