alt Hacker News> Because I did this and got a vastly different result from you
Which itself is a major UX issue. The average person is not going to understand, if they even realize, that there's a difference between the AI summary and AI mode.
One has to wonder just how much incorrect information people have consumed due to things like this.
I experienced this the other month. I searched for some safety data on something at the same time as my wife and we were effectively given extremely conflicting information about what to do by Google. Just a few tweaks in wording and different advertising profiles and Google will serve up opposite realities it seems.