yes set of deuces hit sets the most, precisely for the reason that monty said:
if you have a pp and you raise and everyone else folds, they must have been dealt less aces and more deuces on average

when you DO see a flop with a pp your opponents have more aces and less deuces on average

and nobody fucking knows what % of the time (but it's probably like Monty says, a really small difference)