An anonymous reader calls it
"the never-ending stupidity of copyright wars." TorrentFreak reports:
Blizzard Entertainment is taking a stand against a popular World of Warcraft legacy server. The fan-operated project allows gamers to experience how the game was played over a decade ago and to revive old battles... In recent years the project has captured the hearts of tens of thousands of die-hard WoW fans. At the time of writing, the most popular realm has more than 6,000 people playing from all over the world... Blizzard, however, sees this as copyright infringement and has asked GitHub to pull the site's code offline.
The article notes the DMCA notice came "just weeks after several organizations and gaming fans asked the US Copyright Office to make a DMCA circumvention exemption for 'abandoned' games