Who would you rather refer work to: the over-achiever who deliberately isolates and insults everyone they meet or the person who does good work but is much easier to work with? Would you rather book the arrogant diva or the hard working and helpful supplier?
Eventually, no matter how good someone is at their job, if they have character issues or are just plain mean, they will discover a ceiling to their success. People like to work with people who are pleasant to work with.
We all have colleagues who are great at their jobs but poor at working with people. Eventually, people like that find themselves passed over for assignments and wondering what has gone wrong.
Whatever profession you are in, you are in the people business. That’s why chemistry counts and why it will always be worth the hard work to learn how to build and maintain relationships.