I have always found people classifications slightly weird thing, not because there is something fundamentally wrong with it, but because of how majority of the people perceives them. We tend to simplify things in our heads, and most of us start to treat these classifications as a final explanation to things (using as a labels), without remembering that when it comes to classifying people (especially their character), classification at its best is nothing more than a guideline and should be treated cautiously.
Well at least this is how I see the world and people around me.