Why? All of it relates to something you'll never watch - the aftermath. You're not privy to any sort of substantial information post-scene that should affect the initial experience, IMO. I'm just not sure what it has to mean a definite thing. And besides, if it has to mean something, why should that conclusion be in that exact instant? He's a mob boss - whether he gets to eat his onion rings with his family or not, I don't think happily ever after is likely in the cards for him. He'll likely spend the rest of his (probably short) freedom looking over his shoulder on top of having a decimated criminal organization. Couldn't the abrupt cut be a symbolic conclusion instead of a literal one? You can correct me if I'm wrong, but I get the sense that you may just not have liked the ending, regardless of what it meant.