We fight for lost causes because we know that our defeat and dismay may be the preface to our successors' victory, though that victory itself will be temporary; we fight rather to keep something alive than in the expectation that anything will triumph.
There are varieties of theories of revolution. According to one of these theories, only one of these theories, revolutions occur when there is an explosion of rising expectation. And amongst the lower strata in Iranian society, we are witnessing an increasing rise of the expectation and it's clear that the regime is incapable of satisfying these demands.
So those who wished for some central cosmic purpose for us, or at least our world, or at least our solar system, or at least our galaxy, have been disappointed, progressively disappointed. The universe is not responsive to our ambitious expectations.
You cannot live with expectations because life has no obligation to fulfill your desires. You can live with an open heart, but you cannot live with expectations. The more expectations you have, the more frustrated you will be.
Khomeini obviously had many problems, but he had one clever side to him. He never made economic promises to people and as a result, he never led to dissatisfaction in this perspective. Because they need to get votes, they use misleading slogans. And this leads to rising expectations. I had a personal experience.
There have been occasions in my later life (I suppose as in most lives) when I have felt for a time as if a thick curtain had fallen on all its interest and romance, to shut me out from anything save dull endurance any more. Never has that curtain dropped so heavy and blank, as when my way in life lay stretched out straight before me through the newly-entered road of apprenticeship to Joe.
Those reliable axioms about the taste and expectations of the mass movie audience are not so much laws of nature as artifacts of corporate strategy. And the lessons derived from them conveniently serve to strengthen a status quo that increasingly marginalizes risk, originality and intelligence.