A very good post David and very true. I think there is a common disease that affects a lot of people when being trained in anything and it is “blinkered disease”. Once you have been taught a specific way to do something and you get used to doing it that way it then becomes difficult for some people to understand or believe that there is a different or possibly better way to do something. It might mean learning new skills to do that thing differently so if you can already do it one way what is the advantage of learning another skill to be able to do it another way?
I know that when new customers come to me they look a little confused because I am not in my seventies, I dont wear a tweed waistcoat and I think it makes them a little nervous.That image is way out of date but that is how the public will always see us 
Paul.
