It was all his fault that his preparations and trainings on the upcoming fight against Butler have wasted, I mean how come they don't know the rules?
It is impossible for Casimero's camp to not know the rule. I think they do it deliberately thinking that they will escape from it. Probably they had been doing it and it was just now that they were caught. When you always do it, you will become careless... well that is what I am thinking on this scenario.
Apart from that, his ambitions to fight against Inoue or Donaire are also gone into pieces as he will be now stripped of his belts.
Well it was his fault so it suits him.