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 20th century was a century in which human rights were infringed upon in numerous parts of the world, and Japan also bears responsibility in that regard. I believe that we have to look at our own history with humility and think about our responsibility.”