This is a feedback problem. Most users of statistics have their results validated not against reality, but in the eyes of other users of statistics. This means

This is a feedback problem. Most users of statistics have their results validated not against reality, but in the eyes of other users of statistics. This means if the process you follow sort of looks right, the result will be accepted as true, and you will never learn otherwise. Finance people have a much more nuanced understanding of statistics, because their use of statistics results in red or black numbers at the end of the year.