Because they can.
IIRC, I seem to recall that some-or-other breed of hairless dog was developed so that arthritis sufferers could warm their hands on them. Don’t believe that that applies here, though.
Oh, please. GET MITTENS!
There was a cute Sphynx (sp?) cat on an episode of “My Cat From Hell.” He was a yowler-—cried often, and loud. I don’t know if it’s a trait of the breed.