As the famous saying goes "It is difficult to get a man to understand something, when his salary depends on his not understanding it." People look out for thier

As the famous saying goes "It is difficult to get a man to understand something, when his salary depends on his not understanding it." People look out for thier own interests, and will work to craft narratives that support themselves until they compeletly fall apart. Thats the bad news. The good news is that many people don't have vested interests in any given subject (or have crafted an outsider narrative for themselves). Outsiders get to compete with the vested players in both the marketplace and marketplace of ideas. Competition ensures progress.