What's the Vulnerability of Long Term Reliance on Fear?

David Rothkopf: Evil relies on fear to get its way. He says there's something intrinsic to that about evil and that it can inject a short term power in that because people cower when they are afraid. But he asks, what's the vulnerability of evil there? What's the long-term reliance on fear as you're motivating a force? "It creates an intolerable situation ultimately for human beings who do not want to live"