Part of course:
Mean People Fail
November 2014
It struck me recently how few of the most successful people I know are mean. There are exceptions, but remarkably few.
Meanness isn't rare. In fact, one of the things the internet has shown us is how mean people can be. A few decades ago, only famous people and professional writers got to publish their opinions. Now everyone can, and we can all see the long tail of meanness that had previously been hidden.