Getting back to the jon jones saga, I reckon Rashad Evans summed it up best when he was asked about it:
"It's a two part question for me," said Evans. "For one, you want to always keep it right for the fighters. It's great for the fighters to have the right to choose a fight. That is one of the liberties we do have, the option to say yes or no to a fight.
"But then on the other hand, you have a tremendous responsibility as the champion. You are the champion of the UFC. Not only that, you became champion of the UFC through circumstances like this. You had the opportunity to fight for someone that was injured. He stepped into a fight, after I got hurt, so he stepped in for me to fight Shogun. So, he was rewarded by the very process of somebody stepping in to take a fight. So, he owed it to the UFC to take the fight. Not only that, he owed it to all the other fighters on this card who are going to be missing paydays because of that.
He makes Some interesting points in te article, he is a pretty insightful dude IMO.
I would post the link but my post count is too low, The article was on mma mania .com