To some extent. The movie takes inspiration from the events and persona of Al Capone but may have fictionalized certain aspects for dramatic effect and entertainment purposes.
Well, it's significant because it might bring to light aspects of Al Capone's life that are not widely known. By basing it on a true story, it can add authenticity and depth. Maybe it shows his rise, his power, and his downfall in a more vivid and real - life - like way compared to fictionalized accounts that have no basis in fact.
We can expect to see the real - life events related to Capone depicted. Probably his criminal exploits, his interactions with other mobsters, and his life in general.
Well, in an Al Capone short story, you could expect to see his flamboyant yet brutal lifestyle. He was known for his lavish spending while also being extremely violent towards those who opposed him. His story is a dark part of American history, showing how organized crime can infiltrate a city's fabric.