Thats still going to get up petabytes of bandwidth at scale, and it will be sobs like you eating the cost of it. Which is why it'll never work.
Bandwidth is cheaper the bigger in bulk you buy it, which is pretty much the only reason youtube of today is viable at all.. All your peer2peer idea does is the same thing that every business in America does... Socialize the costs and privatize the profits.
It has been a long time since i've heard someone go crazy on the whole "p2p can fix anything/everything" spiel though. Its long since been overtaken by the whole "blockchain can fix anything/everything" spiel, so it was quite nostalgic hearing it again.