Just because you donate sperm does not make you a father. I don't have a father. I would never give him the credit or acknowledge him as my father.
In the period from 1824 to 1833, the tendency was steadily in the former direction, but it was only in the latter part of it that it was made really efficient.
The Fed chairmanship is not the kind of job where you want to surprise everyone with your choice of a total unknown. You don't want to surprise Wall Street.