He said that you can't have it both ways and the Australian Rugby Union need to show players that they are wanted.
The other three Australian sides, the Melbourne Rebels (27), Queensland Reds (16) and Western Force (13) crashed out of contention before the worldwide break in June.
Tomane had not played since round nine of the Super Rugby season when he injured his knee in a game against the Crusaders.
Australia's other four Super Rugby sides have struggled all year, with the Waratahs now outside the play-off positions and the Rebels, the Reds and the Force all occupying three of the bottom seven positions in the overall standings.
Joe Tomane has played his last game in Brumbies colours after injury ruled him out of the rest of the Super Rugby season.
Averaged out, they have a losing scoreline of 43-23 against New Zealand sides, showing the Australians have shipped tries while being comfortably held in attack.
Butler said the Brumbies had been lucky in a sense with their 40-15 loss to the Blues, with the Waratahs loss to the Hurricanes meaning the Brumbies finished the weekend still leading the Australian conference and giving them control of proceedings this weekend. Until Super Rugby has a format where everyone plays everyone, it's hard to tell.
"They're playing with a lot more unstructured, tackle offload continuity type game and they have the ability to keep the ball alive which is certainly proving to be a real dividend for the New Zealand teams and they're doing it well".
The other three Australian sides, the Melbourne Rebels (27), Queensland Reds (16) and Western Force (13) crashed out of contention before the global break in June.
Ironically, the Brumbies or the Waratahs will win the right to host a quarter-final against one of the better-performing New Zealand sides due to the convoluted conference system.