Everyone’s got tackling arse-about. Why are we the only game (as far as I know) where the tackle gets more reward than stopping the player with the ball and, often, dispossesing them. Every legitimate tackle should be “play on”. If the player goes down in the tackle with the ball, the umpire should grab it and throw it up immediately.
You’d immediately reduce free kicks by about three-quarters, and reduce conjunction too, because players won’t have time to set up the next pack while free kicks are being sorted out and taken.
Oh, a tiny little thing, you’d be encouraging the player who goes and takes possession of the ball rather than the blokes who wait for him to do so they can tackle him.