Was Lennie Right Or Wrong

One may want to say that what George did, that is shooting Lennie, was either the right or wrong decision. To put it into such a black and white decision, right or wrong, good or bad, compassion or unjustification, cannot fully describe the choice that George made. You cannot truly say if what he did was right or not, but simply that he had to. What George did was something that his moral compass told him must be done. How can you say that they would have gotten away if George had done otherwise, that they would have escaped and made it to another ranch and continued on with their lives. Chances are they would not get away, chances are Lennie would have died either way, creating a situation even more cataclysmic on Georges