It was in their control, they could have gained solid skills in those 20 years to set them apart from a college grad. 20 years is a very long time, you could ma

It was in their control, they could have gained solid skills in those 20 years to set them apart from a college grad. 20 years is a very long time, you could master several disciplines during that time, so if you fail to master even your main occupation it tells us something about you.