Placing priority on personality in the workplace is a subtle form of discrimination. It's also a bad idea for businesses because it is not the same as character. A great personality doesn't mean work will always get done properly.

youtu.be/zUln0cVc52o?...

In most companies, not just in the United States, but around the world, work is not really fair for many people. When there is conflict with coworkers, we expect leaders to mediate and neutralize drama. Instead they often jump in. Also there are often different standards for different people.