This is the beginning of robots scraping the real world.
Most of the examples Google showed were crafted to make this look like a friendly agent acting on behalf of users.
But the more powerful use of this, as illustrated by the deemphasized "holiday hours" example, would be for Google to use it to get any information they wanted out of anybody the robots can call and conduct social engineering on.
Imagine coupling this with the knowledge available to someone able to read your gmail inbox.
"Hey you sent us an email two days ago about A and B..."
(trust is established)
"Can you clear up whether you were interested more in A, or more in B?"
This is the beginning of robots scraping the real world.
Most of the examples Google showed were crafted to make this look like a friendly agent acting on behalf of users.
But the more powerful use of this, as illustrated by the deemphasized "holiday hours" example, would be for Google to use it to get any information they wanted out of anybody the robots can call and conduct social engineering on.
Imagine coupling this with the knowledge available to someone able to read your gmail inbox.
OK not the perfect script but you get the point.