That would be true if there were vast numbers of truly creative people driven by nature to create and then create again. But there aren't. There are the correct number. The distribution of personalities reflects the need for those personalities as discerned by natural selection operating at the level of societies for 100s of thousands of years. There are the correct number of thinkers. The correct number of doers and they should all be supported to perform the functions for which they were designed by nature.