That is not true
That said, it is probably pointless to argue with full-blown AI-skeptics.
People had lots of great and productive-enhancing experiences with LLMs, you did not, great, that does not reflect the tool, it reflects your way of using the tool.
I will just throw it out here: https://news.ycombinator.com/item?id=44163063 (My AI skeptic friends are all nuts)