not sure why oda think admirals ,work for radio studio in real life.
It is like saying white nationalist, black supremacist, bleeding -heart liberal Jew, , Hardcore social Darwinism , weed smoker (libertarian ) guy, having radio talk in listen to different political view point. It would never end up great or might up be popular as comedy show .
But if I choose real life jobs for admirals
Akainu - rugby player/ military leader
Kuzan - NBA star player / rapper
Kizaru- weed seller /drug seller
fujitora -noodle owner
Greenbull - alt right racist guy who run conspiracy theory radio who blame Jews
Now yonko have jobs
Big mom - school teacher for children
Kaido - Mongolian grill restaurant owner / pro baseball player
Whitebeard - politician leader who cares about people / complete world strongest man title
Shanks - socialist/communist