Without Bungie, there would be no Halo. Plus, once the "newness" of Halo 4 wears off, and you'll see it's not as good as people made it out to be. A lot of people who've played longer and better than me also hate the multiplayer. Take a look at the Halogaf threads on Neogaf. You'll see the more they play it, the more they don't like it as well. Bungie wasn't perfect, but I'd still have preferred they got to keep the Halo IP, and that they could revisit it in the future once they felt like it.