I dont remember learning about moles in math. Chemistry, yes, but I don't think moles care much about topology.
However, if we assume an ideal mole in empty space with no air resistance, we would see how they have this property: their hair follicles would, in the absence of outside interference, stand straight up. So, its technically more accurate to say that every direction of petting a mole is equally wrong.
Ten bucks says the first group hasn't had a single character die in the whole campaign, and the second group is all on their second characters due to the Sybian Incident