Others clung to their decision that we'd been created without reference to the other animals. They couldn't believe they'd actually seen a red four of spades. It was the same story during the quantum revolution, the death of the caloric theory, and the new atomic theory. People who couldn't be indecisive never made the shift. The problem grows even larger when we try to invent.
Invention is destroyed by decisiveness.
Years ago, a wise design engineer took me under his wing and mentored me. At first it'll be complex. It'll always work better as you change your mind and keep peeling away complication - as you keep relinquishing ideas. Eventually, of course, we must give our drawings to the machine shop. But that closure had better be made grudgingly, because there's always a better way than we've thought of.