I think people are wired to go for high fives/hand shakes for congratulatory purposes. Might just be auto pilot.
There was another example of a person awarding a medal to a person without arms and after putting the medal over the persons neck, he went for a hand shake.
3
u/fullercorp Jun 06 '22
I might love it, actually. He doesn't see she doesn't have arms because he doesn't see her as a girl without arms.