I think it's just a person who has a base of riches and who did not want to pay a big fee at the bank and he create bitcoin step per step by several expert who did not really know what he was creating and moved his fortune into the bank has his own bank he made created to not pay fees

and by searching well one can even find a patent application that dates well before the years 2000 in the name of satoshi nakamoto but i no will post that here