The argument isn't that LLMs are bad because they can hallucinate. Author (clearly) argues that LLM use has negative cognitive effects on their users and on society as a whole. Plus, the technology would wipe out a large, large number of jobs.

How can you argue they don't lie, as if they have any idea of correct vs wrong? There is no brain there. When statistics overwhelmingly say "yes" is the correct answer to something, it will say "yes" -- completely independent of whether that's the correct answer.