Why are Slytherins always sidelined or rather, described as meanevil in the Harry Potter series? As far as I know, the books merely describes them as cunning, not evil or mean. What do you think?

A forum where everyone can discuss about characterisation of the SC characters. I believe everyone has something to gain from sharing opinions about how they would characterise certain characters. Also, discussion of orthadox or unorthadox pairings!