It didn't even need to be open-source, it used to be normal for closed-source games to offer free server binaries for anybody who wants to run their own server. Yes, I 100% agree with you there, I just don't feel the need to single out Blizzard for this when it's the whole industry... More than that it's every industry onto this online-only bullshit. Everything from Microsoft office to a freaking John Deere tractor is now cloud-based software.