I think people made similar comments re: the advent of mobile and the internet. New technology always introduces new pitfalls. I agree that using AI as a substitute for deep thinking is an insidious problem (especially for young kids who are still learning how to think), but for those of us who use it as a thought partner - it can accelerate the tedious parts of gathering and sourcing inputs to focus on synthesizing.
One anecdote of this: in consulting, half of my brain power used to be spent on taking copious notes and organizing action items. Now tools like Granola have trivialized that process so i can focus on understanding