"New research shows that when people need help getting a job done, they’ll choose a congenial colleague over a more capable one. That has big implications for every organization—and not all of them are negative."
If by "new research" they mean my entire working experience and probably that of millions of others, or the design that led to LinkedIn's success, sure.
I've seen far too many people work themselves right out of a job because they were just impossible to deal with.