If we were living in a progressive society, I'd root for LLMs to come in and replace me, as this would free up some of my time to use on what I really want.
But we don't, and any marginal improvement due to automation is fully expected to improve the wealth of rich people, create all new sorts of scams, and leave everyone else worse off.
So I surely hope this article is true, the impact is limited, and the soufflé falls down as it did with blockchain. I'm certain we'll collectively suffer from it though.