That's probably a bit too simplified; if you're a smoker and get lung cancer at 65 then it's very conceivable you would have lived longer if you never smoked (not certain: lots of things can cause lung cancer). It's even more clear-cut with things like asbestos.

As for ol' Dicky specifically, he seems to be doing pretty well for his age: https://www.youtube.com/watch?v=oL3AijekRYw