Egalitarians think that equality has intrinsic value: they advocate it for its own sake, not just to forestall bad consequences. But why is a situation in which some in it have been made better off, and none worse off, worse than one of equality?
Why should we think that government officials are better at acting “rationally” than those they regulate? Even if we were to concede that smoking deserves to be restricted, why should we think the government can do it in a reasonable way?
Politicians are very proud when they can say a proposed program is "paid for." But this only means they've identified their intended victims ahead of time. Naming who will be plundered does not justify plunder.