[macco]

In my opinion, ChatGPT is a big threat for close-ended questions: What is a car?

What I am not so sure about, is this really the majority of searches? I assume a big part of searching is about discovery — finding articles, products, images, etc.

For that, you need a good ranking and efficient crawling. Two things ChatGPT doesn't have.

Given the strong brand of Google, only time will tell if ChatGPT will eat a large chunk of Google's market share.