Are you asking whether the 50% of people in Europe who died from the plague, and the survivors would have preferred to not have the plague? This is exactly the

Are you asking whether the 50% of people in Europe who died from the plague, and the survivors would have preferred to not have the plague? This is exactly the issue I'm talking about. It's very plausible that the world got much better after the plague, and that the plague was an important catalyst. But it also seems obviously true that absolutely no one alive at the time would choose the plague in order to cause that improvement.