Chat GPT won't replace Google, it will force them to update the way they look at search.
As of now, search hasn't changed since the 90s... its still a bunch of results where one has to sift through a hundred websites to get a meaningful answer.
On the other hand, Chat GPT just gives out one simple and easy answer - much easier to digest.
Google has already moved towards that model through their featured snippet, they are just not claiming someone else's knowledge to be their own - unlike what Chat GPT does (there's no credit to the people who wrote the articles from where it sources its information).
Over time, new content creators (the real ones, not those who just write for SEO rankings) will be the losers if Google goes the Chat GPT way
It would be a sad day if this happens.