One of the reason I'm for officials being able to issue yellow and red flop-cards during a basketball: from the New York Times, In NBA, All-Star Acting is Part of Game.

To the crack of the bat, the cadence of the quarterback and the thwack of a tennis racket, add a new element to America’s sports soundtrack — the shrieks, cries and shouts of N.B.A. players as they try to put the ball in the basket.

In part, the emoting is designed to deceive, with players trying to persuade referees they were fouled in the act of shooting, even if they were not. It is hardly a new tactic, but it has become a more popular one and is now as much a sound of the game as the squeaking of sneakers