They all signal that you don’t belong to some group because you don’t behave according to some arbitrary norms the group made up for this very purpose. Indeed,

They all signal that you don’t belong to some group because you don’t behave according to some arbitrary norms the group made up for this very purpose. Indeed, and we all do it. vi-vs-emacs or tabs-vs-spaces (or bsd-vs-linux, apple-vs-microsoft) aren't any less arbitrary than the other groups you mentioned.