Dumb Money is a movie existing largely within digital architecture. The visual language of the film is built out of split-screens, smartphone vertical videos, YouTube livestreams, Discord chats, and rapidly changing stock charts.
This is the codec. x265 allows for better compression than the older x264, meaning you get the same 1080p quality at roughly half the file size.
The film highlights how, for the first time, individual investors could collectively rival large financial institutions.