Final answer:
Sports broadcasters will not frequently opine in response to discretionary decisions made by a referee to maintain impartiality and professionalism.
Step-by-step explanation:
In the context of sports broadcasting, it is true that sports broadcasters will not frequently give their opinion on discretionary decisions made by a referee. This is done to maintain impartiality and not show a preference towards one team over another while on-air. By refraining from opining on referee decisions, sports broadcasters ensure fairness and professionalism in their reporting.