If he could not, not do it, as an obsession, I could see that maybe happening. Though from a logical perspective such a thing would more than likely be done in minute degrees in order to avoid detection from other players if he intended any serious sort of cheating.

For some reason, Calculated Risk doesn't seem fit when you consider the sheer numbers presented and their unfeasibility of explaining if one gets caught. Though it could be certain that overconfidance could play a part.