Remember that St Nicholas was jailed and stripped of his bishopric for punching Arius in the face during the Council of Nicea, so if you get on the naughty list, he might do more than just not give you any presents.
Also, apparently the best way to get on the naughty list is to argue that Christ and God are ὁμοιούσιος (of similar substances) rather than ὁμοούσιος (of the same substance), so watch your iotas.
He’s making a list
He’s checking your name
To see if you think God and Christ are similar or same
Santa Claus is punching in townOn the other hand nobody but historians even remember who Arius is, nor that at one point his was the demographically largest European Christianity (or why he was different), so Nick must be pretty smug right now.