Remember what they took from you.
I mean it's almost a joke now that the easiest way to go viral is to find an aesthetically attractive picture from a few decades ago and to post it with the caption "this is what they took from you."
Impotent nostalgia sells. Endlessly playing the rearguard sells. No one wants to mull over any positive vision for the future because we are almost all nihilists insofar as the political process is concerned; there is a latent sense that nothing is possible, and because of this, striving toward anything that is charged with possibility is vaguely painful, irritating, demoralizing.
So we just fantasize endlessly about "return" instead of building a forward-facing future that makes sense, and those fantasies are both addictive and useful for populist ressentiment-driven politics of the most cynical variety.
The real Power Players of the future are not doing this. Playing the rearguard is really a signal that you've given up, that you are now low energy. The ones who are going to make the future are light on their feet, capable, willing to try anything, and are not constantly looking backwards -- and such types are often HATED by the nostalgia-peddlers because they interrupt the hustle of the "returners."