Welsh Rugby Union chief executive Roger Lewis said Gatland should actually be praised for choosing not to claim a fake injury though.
"Warren Gatland should be applauded in this professional era where tough things and tough decisions are made that he didn't go into that particular zone," said Lewis.
Wales Rugby Union chief executive Roger Lewis praises Gatland's honesty
"That was something that was considered and the guys said 'we are not going there'.
"In professional sport there is always an opportunity to manipulate the laws and that opportunity could have presented itself.
"But we did not go there and I think it is a tribute to Warren that he honestly expressed that. Warren Gatland is a brutally honest rugby coach. He is a very serious thinker and he tells it as he sees it.
While on the other hand ...
The former England coach Dick Best has told the BBC he is amazed Gatland did not cheat, as it goes on all the time in the sport.
The 'media darlings' can't even beat Aussie reserves. Even England with all their issues can beat them. Warburton has a lot to answer for for even putting himself into a position of getting himself sent-off.
Never cheered for an Aussie side before but I have to admit it was a pretty good feeling.