I've workes since march/april with the new ISF-rule. It's more relaxing not having to watch that part of IP. Lucky there far more ways to IP, so we can still make that call

, but seriously; coaches don't come to you crying about the foot-work anymore and if we call IP they accept it even quicker.
We must not forget: It's their game (players/coaches), we are only on the field because they can't judge treir own games. We must enforce the/their rules.
And because we want to have the best seats to watch the game