No one does evil as whole-heartedly or with quite the same air of smug self-righteousness as a "good" man who believes he's right. CSM was a textbook example of that.
There are 8.2 billion people in the world. 8.19 billion of them have never heard of and don't give a fuck about Charlie Kirk. Get over it.

No.
So many people died in his quest for power. Scully's sister etc. He is a great villain.

It's the weight of his job that caught up with him in the end. He held the secrets of the Universe for decades and believed his work would save mankind. In the end it Cost him his humanity, his health and and his family.