Not entirely. While the movie might have drawn inspiration from real events, it has undergone significant fictionalization and creative interpretation to make it more engaging for the audience.
Such a movie might have featured a unique story setting, strong character development, and maybe some social or cultural elements that made it stand out. The cinematography and direction might have contributed to creating a visually appealing experience for the viewers.
Not all Ben Affleck movies are true stories. Some are fictional creations crafted for entertainment purposes. You'd have to specify the particular movie to know for sure.