It took 300 years between Harvey discovering the circulatory system and anyone being very good at treating circulatory disease. It took 50 years between Pasteur discovering germ theory and anyone being very good at treating infections. It took 250 years between Newton discovering gravity and anyone being very good at flying. I have a lower prior than you on good science immediately translating into useful applications.
β comment to Scott Alexander link (comment)Is Rationalist Self-Improvement Real?