The fact that you keep saying "you can't" is why you're not creating a startup to do exactly that.
TPB was floating this idea without funding almost a decade ago. it didn't take off because Cohen's Bittorrent Sync was implied to be open, and the project died in anticipation of the better (standard/trusted) technology.
At some point, hosting video yourself on an aws instance will be feasible. Until then, we're probably stuck with YouTube.