I've been on the NFHS Rules Committee since 1992 and have learned that : "We should do it because the big boys do (NCAA & NFL) !!" is never a good reason for a rule change.
I completely disagree.
Players, coaches and fans all know the NCAA/NFL rules, because they watch them on TV. Fans don't have access to the NFHS rules. Players and coaches want to play, not study differences.
The referees look horrible to the players, coaches and fans when a rule in NFHS is properly enforced but looks completely wrong because of what they've seen in NCAA, NFL. Some games get out of control just for this reason.
For example, we had a game this year where a home team player was grabbed by his collar, pulled to the side, and he broke the tackle and ran 5 more yards. We didn't call the horse collar, correctly, which would have been a foul in NCAA/NFL, but not in NFHS. They punted shortly thereafter, where R muffed the ball at the 5 yard line, wild scramble for the ball and K recovered 2 yards deep in the end zone. During the fumble, just before the recovery, the BJ blew his whistle as the ball crossed the goal line. Right call in NFHS. To the fans it looked like we had an early whistle. Fans screamed at the refs for being idiots blowing the whistle too early. So, so far according to the fans in a few minutes time, we blew 2 calls. The first one, ironically, the NFHS is LESS concerned about safety, the other one is not a safety issue at all.
A little later, we had the home team's QB scramble around in the backfield looking to throw on a 3rd and 10, 2 deep receivers were knocked down. The QB was sacked on the play. We had nothing since there was no pass thrown. This is another where NFHS is LESS concerned about safety.
After that, the fans were rabid the entire game since we were obviously poor officials. It was caused by rule differences that don't need to be rule differences.