The carousal displays both, amp and non-amp content.
Re:A letter about Google AMP
by SquareWheel on Wednesday January 10, 2018 @11:13AM
(#16116056)
Does it? Then I may be misinformed (I very rarely use mobile).
If that's true, and amp doesn't have any preference in the carousal, then Google's comments are completely accurate.
They'll probably do away with the carousal eventually, but for right now an AMP page does have an advantage in search.