Time and again this happens, and it can happen without changing a single person’s mind. To put it bluntly, people die. Indeed, death is arguably the single most important driver for all human progress. Even in a community as reason-based as science, it’s often necessary to wait for one generation of scientists to die off before a new theory gains mainstream acceptance.
We like to think we are in control, the decision-makers.
Really, we are adrift on the waves of time, and often it is our drowning that lets someone else come in and serve their role.