As the saying went, tears always came with laughter. It was true among gods. When kind gods were inspired to strengthen the governing of the church and the people's support through the pension system, evil gods would be inferior. Who would bother believing in evil gods when they were living a good life?
To take the Goddess of Bumper Harvest and the God of Starvation as examples, a bumper harvest and a poor harvest were quite normal scenarios. It was the same as the Madrid Derby Game; when Real Madrid scored, that meant that Atletico Madrid lost and not even a compliment curse could save them. However, something could still be done to improve the situation. If proper measures were taken to ensure local welfare, starvation might not happen during poor harvest years, or at least people would not panic and still believe in the Goddess of Bumper Harvest. There would be no chance at all for the God of Starvation.
That was why fine-tuning was important.