Another great post by Rob Paterson: Why change is difficult – The story of the Fosbury Flop. Reminds me of the Machiavelli quote
There is nothing more difficult to take in hand more perilous to conduct more uncertain in its success, than to take the lead in introducing a new order of things; because the innovator will have for enemies all who have done well under the old conditions and only lukewarm defenders in those who may do well under the new