Dont think you will find anyone on our side who thought that was a free - from the angle the ump saw it from perhapsNot true. Push in the back has been a rule for 100 years but that wasn't a push in the back. They've been fiddling with "dangerous tackle" rules for the last few years. It's not an old rule and that tackle has been fine for most of the sport's history.
The footy gods spoke and a behind was the result.