As a fan i like the rule, but i doubt it will come up that often. It could make for some more exciting finishes but i can see the leader not liking it if he worked hard to get to the front and a caution comes out. This is going to sound crazy but in a close race with 5 laps to go i still think being in the lead is not the place to be. If a couple cars are close behind the leader with no lapped cars inbetween they have ways of setting up the leader for a pass at the end.