First of all, Reach was also very bad so it wan't just a 343 thing. Though 343 took over reach and had a ton of feedback from Halo fans of what we didn't like in a Halo game a good ways before 4 came out and it still turned out to be shit. I haven't been keeping up with the Halo 4 updates recently, so I don't know if they fixed everything, buy for a long ass time, they're forums were absolutely FILLED with negative feedback about the game and all of it was ignored, so yeah from what I've seen, 343 hasn't been doing a good job with player feedback.