Often, people overlay their personal norms, values, morals, etc. onto others. In Murray's case, some people believe Dallas offered him enough to stay. That determination is made because they read or hear an offered contract amount and weigh that amount against their self-perception of what is satisfactory for themselves.
Unfortunately, the world is materialistic. It is typical for people to desire more than less. Murray was confronted with a possible finite choice: a) get paid the most now or b) settle for less and possibly never see that much money again. The current Cowboys management (which is another factor some people apply their personal reasoning upon also) did not wish to fulfill the first option, so Murray opted for the second choice. Murray did what is typical. It is atypical for people, especially professional athletes, to willingly choose the second option.
Personally, my issue with Murray remains the same now as it was last spring. The writing was on the wall. Dallas had demonstrated flexibility during the contract negotiations but not to the point they would ever fold and hand Murray what he expected. Murray should have signed elsewhere on the first day free agency opened, not several days into it. His rigid stalling ultimately restricted Dallas' free agent choices to Darren McFadden. In my opinion, Murray screwed his old team more than his new team or himself.
