I have called this numerous times in High School. But many high school officials don't. I think its a big advantage especially if the team presses. It's a rule so just enforce it. I see players tip the ball once its thru the basket. They get a warning for delay of game. Then next time of any delay of game is a technical. Like breaking the plane of the end line or side line. Officials get paid to do there job. So just enforce the rules of the game.