I think the issue has generally been that web torrent doesn't work enough like the real thing to do its job properly. There are huge bit torrent based streaming media networks out there, illicit, sure, but its a proven technology. If browsers had real torrent clients we would be having a very different conversation imo
I don't remember the web torrent issue numbers off the top of my head, but there are a number of long standing issues that seem blocked on webrtc limitations.
"If browsers had real torrent clients we would be having a very different conversation imo"
The elinks text-only browser has a "real" torrent client
I think we still have the same blocker as we had back when WebTorrent first appeared; browsers cannot be real torrent clients and open connections without some initial routing for the discovery, and they cannot open bi-directional unordered connections between two browsers.
If we could say do peer discovery via Bluetooth, and open sockets directly from a browser page, we could in theory have local-first websites running in the browser, that does P2P connections straight between browsers.