[alophawen]

Linux distros/archive.org and other legit users of BitTorrent tend to use HTTP seeds [1], so you can still calculate for bandwidth costs.

Commercial software like World of Warcraft used BitTorrent in their updater for years [2].

1: https://www.bittorrent.org/beps/bep_0019.html

2: https://wowpedia.fandom.com/wiki/Blizzard_Downloader