Here is a better analogy: You're in a crowd of people, all passing bricks, one at a time, in a general direction. If you fail to pass a brick, someone near you

Here is a better analogy: You're in a crowd of people, all passing bricks, one at a time, in a general direction. If you fail to pass a brick, someone near you will get it anyway. However, as fewer people decide to pass bricks, the outcome of clearing all of the rubble will become less likely.