I am frequently labeled as a socialist too. The "they" is just my lazy writing. I see a lot of people who complain about some other people killing the planet, and I don't really see them doing anything about it. At most, tricks that don't amount to anything; no real lifestyle changes that are actually necessary if we want to affect things. Maybe it's an unrealistic generalization, but this study at least seemingly supports my general impression. I'm not saying the attitude is derived from socialism, but rather that people who think this way incline towards socialism.
For a few years, I lived without a car, stopped eating expensive food (and meat altogether), stopped going on unnecessary trips and tried using the environment I live in optimally. People around me, most of who are "concerned" (unlike me btw.), typically continued consuming expensive "organic" food, bought new cars and bigger houses, had kids and increased their diet of expensive trips. The most striking thing about the experiment to me was the fact that people began to talk less about environmental concerns with me, presumably because of the sudden tangibility of the attached obligations.
Regarding your case; if you are increasing your financial savings by consuming less of something, then the incentive is already there. If savings were to be the only concern though, it would mean that you are only delaying the consumption until your retirement anyway, so there is no net gain. At that point, you are still a 'dupe' for not enjoying your final years if you are not going on a cruise with your lady. Or you are just a principled person whose values are not dependent on other people's behavior.