I think the best way to describe it is Oscar lost the fight, rather than Tito winning it. It was clear to see how easy it was to box Tito's ears off whenever he wanted. As has been said, he screwed himself by taking silly advice from the corner to take some rounds off. If you make a guy look absolutely silly over 6 rounds and then take 6 of them off, it's going to sound like a robbery to the better boxer because he displayed his clear superiority over half of the fight. Unfortunately for him, boxing is scored quite simply over 12 rounds..
I still had Oscar winning but that's the lifeline Tito fans can fall back on.