The X-Men contain been around since 1963,and over the final 46 years, hundreds of creators contain worked to give us several spin-offs, or countless crossovers,and many seemingly conflicting takes on any number of characters both major and minor. With all things big and small in the X-Universe, there is seldom a definitive stance on anything, and much of the series has served as a morality tale against things like abuse of power or being blinded by good intentions.
Source: blastr.com