@jtlg My guess is a mixture of data and laziness.
We love instant answers. When I ask google how many cups are in a gallon and it can just tell me without me having to click another link, that's good for me, the user.
But that only works with specifically encoded circumstances that humans identify and build out and that costs money.
So, the new incompetent short-sighted leadership at google sees AI and thinks "we can give these people the instant answers we already know they want and not have to pay those pesky programmers anymore!"