Competence is a function of experience, knowledge and intelligence. The Peter Principle is the satirical theory that employees are generally promoted to their level of incompetence. The reason incompetent is often rewarded is that it's easier than challenging it. In 1974, the author of the Peter a principle, Dr. Laurence J. Peter, explained how he first got the idea and what can be done about it. See video below
How Dr. Martens' Are Made
I have advised many brands over the last 13 months about "telling their story" via videos. Here is Steve Bent (Production Manager) at the Dr. Martens Cobbs Lane (Northampton, UK) factory describing their iconic "Made in England" manufacturing process - https://www.youtube.com/watch?v=rO1YAx4QW1I