While Google does operate at a huge scale, I'm sure they're concerned about AI being the new "source of truth".
I think where Google will excel most is when multiple options are needing to be quickly provided and the user isn't quite sure what they're looking for.
A good example of this could be recipes - if you ask AI for a recipe, you'll probably get a single recipe and no options. However, with Google search, if you click on a recipe you don't like, you can quickly go back to google search and find another one that you do like.
I think coding is one item that a lot of people focus on AI for - i'd be curious to see the traffic stats for stackoverflow lately given the surge in popularity of AI coding tools like claude code and cursor