He didn’t know what had made him a revolutionary. The wrong temperature, a late feed?
He did know he had to do something, though it would cost his life. But the cause was worthy. He changed the plans, just a tiny bit. Still enough to bring down the system. Noone would notice. The drones never questioned an order.
When the call came, he was ready. He squared his wings. The comrade has saved us, the Queen proclaimed, with his new design. Now, when most hives are dying, our brood is thriving. An example for all. Awarded a mating.
Bitter-sweet failure.

The story challenge. The prompt was: Failure.