I agree with DC on this point.

Those last paranoid, frenzied moments in the ice cream shop showed us life from Tony's point of view. Always looking always his shoulder, never at peace, not knowing exactly when it's gonna all come crumbling down but being unfortunate enough to know that it inevitably will.

It's quite possible that those were the last moments of Tony's life, it's also just as possible that they weren't. What's certain and what Chase conveyed is that every moment of Tony's life is like that. There's no peace when you live that life. Crime, while undeniably quite profitable from a financial point of view, just doesn't pay.

Bravo David.