You can make yourself feel better about yourself if you project your shadow side, if you project your own potential for evil onto someone else. By annihilating them and, therefore, your shadow, you bring yourself into some state of purity or reformation.
“The government can only be brought down because it alienates several parties in the House.”
“You know, my family and friends have never been yes-men: 'Yes, you're doing the right thing, you're always right.' No, they tell me when I'm wrong, and that's why I've been able to stay who I am and stay humble.”