maximum (3,2)   =>   2
   minimum (4,5)   => 5
   sum (6,7)   =>   7
   product (8,9)   =>   9

Yes, you can think of (X, Y) as "Y with context X" or "a one-element container with Y in it", but is this really what comes to your mind first? I still highly doubt that. The Foldable-Traversable-in-Prelude change was largely a good thing, but very surprising (and not really needed) changes coming stealthily with it were only communicated when it was already too late... :-/