I happen to think that's largely a self-delusion which nobody is immune to, no matter how smart you are (or think you are).

I've heard this from a few smart people whom I know really well. They strongly believe this, they also believe that most people are deluding themselves, but not them - they're in the actually-great group, and when I pointed out the sloppiness of their LLM-assisted work they wouldn't have any of it.

I'm specifically talking about experienced programmers who now let LLMs write majority of their code.

This is very true. My biggest frustration is people who use LLMs to generate code, and then don't use LLMs to refine that code. That is how you end up with slop.I would estimate that as a SDE I spend about 30% of my time reviewing and refining my own code, and I would encourage anyone operating a coding agent to still spend 30% figuring out how to improve the code before shipping.

Considering the seeming increasing frequency of high severity bugs happening at FAANG companies in the last year I think perhaps The great getting greater is not actually the case.