After 20 years of WoW updates, will Blizzard ever need to wipe the slate clean? Maybe "at some long, distant point," but the MMO has already been totally "rebuilt"

World of Warcraft is nearly 20 years old. Over that time, we've seen numerous other games trend from follow-ups and sequels to staying put and going the way of expansions and updates. World of Warcraft has always done the latter, and that's how it'll stay for the foreseeable future, though Blizzard acknowledges...