It's not just "WoW beta views"
As of 12:19 PST, here's the list of games ahead of Wildstar on Twitch (using viewer count): LoL, Minecraft, CS, Hearthstone, Tabletop Simulator, DOTA2, ARMA 3, World of Tanks, WoW, Super Smash Bros, Magic: The Gathering, FIFA 14, StarCraft II, Destiny, DayZ, Smite, Call of Duty: Ghosts, RuneScape, The Hidden: Source, Dark Souls II, The Walking Dead, Slaves to Armok, Don't Starve, Call of Duty: Black Ops, Pokemon X/Y, Clash of Clans, Diablo III, Guild Wars 2, Battlefield 4, Cook, Serve, Delicious, Super Mario Sunshine, Watch_Dogs, Heroes of the Storm, Path of Exile, Metroid: Zero Mission, The Kingdom of Loathing, Unturned, The Binding of Isaac, Grand Theft Auto V, Ibb & Obb, Team Fortress 2, Town of Salem, Chrono Trigger, Fallout: New Vegas, Lineage II, Kerbal Space Program, Firefall, Payday 2, Heroes of Newerth, Halo 3, BlazBlue, ArcheAge, Age of Empires II, Chrossfire, Final Fantasy IX, MUGEN, Chess, Borderlands 2, Dark Souls, Under Night In-Birth, Oddworld: Abe's Oddeyes, Ultra Street Fighter IV, Super Smash Bros Melee, Super Mario Bros 3, Madden NFL 25, Sid Meier's Civilization, Heroes of Might and Magic, Prime World, The Legend of Zelda, Crypter of the NecroDancer, War Thunder, Starcraft, Europa Universalis IV, TOME: Immortal Arena, and Ocarina of Time.
http://i.imgur.com/MANDsXy.jpg
At least more people are watching WildStar than MapleStory.
Almost no one watches WildStar on Twitch. It's literally bottom of the barrel unless Towelliee (a WoW streamer) plays it.