Peer to peer died because (1) a lot of the world, especially outside the US, has terrible upload/bandwidth, (2) HTTPS CDNs got _really_ cheap, far cheaper that p2p technologies like BitTorrent+WebSeed.

There are a minority of users who care about being able to host videos that violate YouTube/TikTok/Instagram policies. Unfortunately, a significant part of that minority is working with infringing or illegal content, which both prevents ad networks from working with you and attracts attention from law enforcement.