*grin*..Occam just provided the first real formulation of a basic principle that a lot of people, including philosophers, had sort of understood viscerally.
   Now he is sort of honored by being used as the 'shorthand' reference.

Wikipedia gives a pretty concise history & explanation of the 'razor' and its applications and limitations.

The point is not that we should take some 13th century scholar as an 'authority' on how to to think today, but that some logical principles are so useful and important that we CAN identify them by a historical reference.

Nowadays, folks usually use the more 'earthy' form...K.I.S.S....but it's essentially the same idea.