If you see the graph, you will see how-fucked-up-this-is.
Age matters. People with age above 40 are basically 'brainwashed' to vote Ishihara Shintaro. That's how Japan has been since long time ago for any governor. Regardless of how much shit he does, Ishihara will always get elected.
One interesting thing is that he is extremely good creator of the reaction image.