Earlier quoted context omitted.
Not just that, companies like Blizzard save millions in server costs.
Do they still use torrents though? I was under the impression that virtually all companies using torrents had discontinued it as disruption to users internet quality and possibly data usage caps meant it was easier to just pay the cost of distribution.
Companies make weird decisions all the time, like MS killing Skype's p2p system which destroyed the whole app. Quoting mobile as the reason when there was no reason the PC/Mac clients couldn't continue on.