The banker could and should appeal to so many different kind of people: 

• Those who believe in the rugged individualism myth – as this is a story of a person who had a goal and accomplished it through perseverance.
• Those who enjoy the aesthetic of the 1950’s material culture – as it has beautiful cars, stylish clothes, magnificent buildings and interiors, objects of many kind stunningly shot.
• Those who are poor – as it can give them hope that it is possible to rise above if you are hardworking and talented.
• Those who are against racism – as it shows the triumph of an African-American man against systemic racism, although he doesn’t always prevail.
• Those who enjoy learning about history – as this movie very much is based on a true story even if it took editorial liberties.
• Feminists – as it shows strong female characters, although it doesn’t pass the Bechdel Test.