Maybe. The article outlines some behaviors that a good manager would immediately squash. Most people will conform themselves to the prevailing culture. When bad behavior is confronted honestly, squarely, and articulately by a manager, the offender usually conforms to the healthier cultural norms as articulated by the manager. Only if the bad behavior is confronted and still persists can you call it a truly bad hire. In which case it should be dealt with. No amount of productivity justifies being a jack-ass.
Or a bad hire.