Thanks Backswoodsman -

many people without actual related practical experience do not understand that 'driving a ship' is nothing like 'driving a car', 'driving a motorcycle', 'driving an aeroplane', 'driving a helicopter', 'driving a horse and cart', 'driving a swamp boat', 'driving a steam locomotive', etc, all of which operate by totally different mechanisms.

Experience with the current socially most common (car) really does not help one to understand any of the others.... :-)