What is the central idea of "Called Out" by Barbara Kingsolver? and what are the supporting details of this central idea?

I feel like the central idea has more to do with how we affect nature. In the story, she states, "While nearly everyone else on the planet was cursing the soggy consequences of El Nino's downpours ... " she uses a metaphor, basically that everyone else was complaining over El Nino's downpours while others were in awe.