Yeah, it is horrible. Why limit your professional life, team, workplace and day to day exchanges to a tiny pool of people when there are billions of people who inhabit planet earth.
To give context "Dunbar's number is a suggested cognitive limit to the number of people with whom one can maintain stable social relationships — relationships in which an individual knows who each person is and how each person relates to every other person" [1].
> a tiny pool of people
Are you talking about the US (dev) population?