Well, it is indeed inspired by real events. However, when it comes to the movie, certain elements might have been exaggerated or fictionalized to make it more engaging for the audience.
Well, to determine if 'Upside' is a true story, you'd need to look at the source and the author's statements. Sometimes, stories can be inspired by real-life but have fictional elements added for entertainment value.
It resonates by showing real - life social and economic disparities. We see characters from different classes interacting, which is very much like what happens in the real world.