Of course, people love labels. The whole social structure is based on them. You just need to know who's your enemy and who's your friend, nobody has time for reason.
I am constantly surprised how people *know* something. While in reality, they have no idea; you just have to be convinced of something and have some line of logical thought; inconsistencies and assumptions are brushed away.
That all is basis of our "social", "human" nature!