I think the LLMs are merely a method. Google really doesn't want you to leave the Google ecosystem. Hence why they have maps, flights, news, shopping, ... LLMs

I think the LLMs are merely a method. Google really doesn't want you to leave the Google ecosystem. Hence why they have maps, flights, news, shopping, ... LLMs allow them to extract information from websites and present those to you, while surrounded by only their ads. And once that is commonplace somebody will start to add 'Fetch relevant products related to this question from our database, and include them in a natural way into the answer.