Ashes tests since the turn of the millennium, 50 Ashes tests played, Australia won 27, England won 15, eight dawn. Even from my Kiwi anti-Aussie bias, it's pretty obvious Australia has continued to easily have the edge over England in Ashes cricket. And I won't even bring up the 1990's when McDermott, McGrath, Hughes and Warne regularly embarrassed utter piss-poor England teams.
Sorry to point that out to you, but yes, there is no doubt the Aussies have for a long time not exactly been the torch-bearers of cricketing sportsmanship.
Though it was the English who brought Bodyline into the cricketing lexicon in the 1930's......