Emotions, particularly anger, are like fire. They can cook your food and keep you warm, or they can burn your house down.
Google's a strange place. When I met Eric Schmidt, he said, "If you are kind to everybody, then you will make good decisions because people will give you good information, and if you are truthful to everybody, they will be truthful to you. " That's what's different about Google. They screw up and make mistakes, but they genuinely mean the good stuff about "don't be evil. "