The golden goose is cooked.
Edit: It's quite possible that anyone will be able to enter this race right now and build LLM silos for their own domain. This cracks monolithic search wide open.
GameFaqs becomes ChatGG, where you can ask, "How do I beat Ridley for the second time in Metroid Prime?"
Etc.
Websites will become less of a thing. All the people building websites will switch to building AI products.
If traffic to Google leaves by X%, they've lost. Now there are lots of new destinations.
The race is on, and apex tech companies are not the only ones that can win. Google, in fact, has to sacrifice its most important product to come out alive. That's dangerous.