It is just selection bias. People that start and maintain OSS are on average more helpful and nice than people that don’t, hence the interaction. A similar eff

It is just selection bias. People that start and maintain OSS are on average more helpful and nice than people that don’t, hence the interaction. A similar effect exists in relationships. If you are ‘nice’ then your potential partners include both other nice people and horrible people, because generally a horrible person will not tolerate another horrible person. Hence, you see nice people in relationships with horrible people more often than one would hope.