I've written a bit about this issue as well, coming from someone working at a company that partially relies on organic search results. It's been interesting (And slightly worrying) to see the shift and layoffs happening here already.

https://sasjakoning.com/blog/how-google-s-new-ai-overview-is...

I have to say that the comments here do offer a great alternative perspective as to how terrible the web has been to navigate before AI Overviews became a thing.