This is very common. The thing is that the reality only becomes apparent when it is beyond questioning. A lot of economists (e.g Samuelson) for example were bul

This is very common. The thing is that the reality only becomes apparent when it is beyond questioning. A lot of economists (e.g Samuelson) for example were bullish on the soviet style of centrally planned economics (which looks a very bad idea in hindsight). Lots of historically celebrated people look very very clueless when seen with the benefit of hindsight.