I agree, but "1" must include all tasks where a mistake could lead to liabilities for the company, which is probably most tasks. LLMs can't be held responsible for their fuckups, they can't be punished, they have no body. It's like the genie from the bottle, it will grant your three wishes, but they might turn out in a surprising way and it can't be held accountable.
The same will apply for example for using LLMs in medicine. We can't afford to risk it on AI, a human must certify the diagnosis and treatment.
In conclusion we can say LLMs can't handle accountability, not even in principle. That's a big issue in many jobs. The OP mentioned this as well:
> even when AI coders can be rented out like EC2 instances, it will be beneficial to have an inhouse team of Software Developers to oversee their work
Oversight is basically manual-mode AI alignment. We won't automate that, the more advanced an AI, the more effort we need to put in overseeing its work.