It depends on the project and leader. Some leaders are incentivized by altruism, others by their large stake in the token supply, which could appreciate when th

It depends on the project and leader. Some leaders are incentivized by altruism, others by their large stake in the token supply, which could appreciate when the protocol becomes more decentralized/immutable. Some by the inertia and social pressure of community expectations, derived from long-published and widely discussed roadmaps. Some do not have an incentive to design themselves out of leadership positions.