No, this is the way I look at it. Was it fair? No. But was it smart? Yes. It's really a simple equation; You do a dirty move to me + I do one back = I hit you harder and knock you out.
Mayweather is opportunistic. He knew the referee wasn't looking although if the referee was looking i don't think it would have followed any negative consequence towards Floyd.
1st rule in boxing? Never let your guard down even on a "break".
Ok that was because ortiz headed him mayweather got offended and ortiz just laid there ref didn't even continued it but it was pure $ ortiz would've stood back up if he didn't care about the $