"LLMs reliably fail at abstraction."
"This limitation will go away soon."
"Hallucinations haven't."
"I found a workaround for that."
"That doesn't work for most things."
"Then don't use LLMs for most things."
"Autocomplete is great!"
"It doesn't work in bash"
"Then don't use it in bash."
I don't see what's wrong with this argument, and I certainly don't see it as a proof that the particular technology is actually useless, as you seem to be suggesting.