It certainly seems as though Ritchie is now showing his true colors. If he signed a restructured contract, he should absolutely adhere to that contract. If he feels that he was "duped" by either the Bills or his agent, and signed the contract without understanding the full ramifications/details, then too bad for him. I receive a new contract every March for the following school year, and I'm given 14 calendar days to review and sign (or dispute if I disagree). It's my choice, and I read and try to understand every last word on the document before I sign. No different here.
The way he has handled this in public, IMO, has been a complete bag over the head punch in the face to the only organization that was willing to give him a second chance. Karma is a B word, Ritchie.