I suspect a big part of the reason is "more work for very little gain" since most users will just download over HTTP given the choice. I'd love to see some sta

I suspect a big part of the reason is "more work for very little gain" since most users will just download over HTTP given the choice. I'd love to see some stats from somewhere like Internet Archive that offers both, it'd be great to be proven wrong, but I suspect a number basically 0% after rounding of their data is downloaded via peer-to-peer BitTorrent traffic.