Certainly for a whole host of tasks.
> Did programmers with google search and stack overflow replace programmers without these?
Also true for many tasks too, a programmer who refuses to use these resources for certain types of work will be an order of magnitude slower in many cases and will be replaced by programmers who aren't.
LLMs are just beginning to become useful, but there will be a point where they're indispensable, those who refuse to use them will eventually find themselves falling behind. It's will eventually become equivalent to a programmer who refuses to move off punch cards or refuses to use modern version control.