It's really impressive but here's the stream view counts:
1.) Ultimate Marvel vs Capcom 3 – 149,470 viewers
2.) Super Smash Bros. Melee – ~137,800
3.) Ultra Street Fighter 4 – 130,396
4.) Killer Instinct – 88,517
5.) BlazBlue: Chrono Phantasma – 80,861
Source:
http://www.eventhubs.com/news/2014/jul/20/which-grand-finals-was-most-watched-evo-2014-ranking-viewership-game/
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I'm not surprised at all. There's a lot more casual viewers at Youtube than say Twitch and Mortal Kombat has always had a strong following of casual players because it's appeal, mindless gore etc. Kudos to y'all but don't get it twisted.