LLMs now write lots of science. Good
economist.com
economist.com
So the cost savings in writing will be offset by additional costs of reading. Playing good defense is harder than playing offense.
The only strong argument here is that you can't tell anyway. Like effective doping in sport.
Also the more enjoyable tasks will be replaced with more drudgery. "I wish I could automate writing code so I could spend more time doing code reviews," said no-one ever, but that's the glorious future the "AI" developers are selling.
This is the "reverse centaur" metaphor by Doctorow (for example here https://doctorow.medium.com/https-pluralistic-net-2024-04-23...)
which describes the exact problem with this.
This. The mistake so many people seem to make is to think of writing merely as outputting text, when it's a lot more.
I predict LLMs will cause general competence levels to decrease, and an increase in the intellectual equivalent of three-fingered hands as more and more people lose the ability to notice the problem.