Manners, charm, and good listening are all things that are orthogonal to that whole good and evil thing. They are powerful tools, and often make ones life easier. They can even be a tremendous force for good. These are all orthogonal to good/evil, though.
Musical talent is another thing people get mixed up about. Someone can be a musically talented jerkwad. The same goes for beauty, obviously. The same even goes for programming talent.
> Regardless, humor is an important technique for bringing perspective to situations, and helps us come back to realizing life is about being happy, not settling scores.
It can also be used as a bitter condiment while settling scores. Once again my point: Humor is orthogonal!
- Mark Twain
Those who can not laugh at themselves will justly be laughed at by others.
You assume human beings always do a good job of treating other human beings. Ask a seasoned police investigator -- not always true. And sometimes, they'll even be laughing about it.
Regardless, humor is an important technique for bringing perspective to situations, and helps us come back to realizing life is about being happy, not settling scores.