Economics is not like religion; there are actual correct and incorrect answers. As a newer field, we not always know how to find the correct answers yet. But that isn't an excuse to start treating it more like religion and less like science.

"we can let them keep it and allow people to suffer."

Using your feelings to guide your monetary policy decisions is no better than the creationists forcing ID to be taught in schools. If your hunch is that a Keynesian approach is ideal, cool. Many would agree. But choosing it because it's the obvious "moral" choice just dumbs down the whole debate, opens the door to all sorts of emotional reactionary ignorance, and doesn't get us any closer to the right answer.