I’ve been playing since launch. I played a lot last night. I do not see the problems. I play on hard difficulty. I have a good time whether winning or losing.
There are players that take the game far more seriously than I and honestly they make the game more tense than it needs to be. They make it feel competitive, in that if I’m not doing what they think a “good” player should then I’m unwelcome.
I think the vast majority of complaints stem from these players. I lament that another Call of Duty is not coming out sooner so that the community can diminish into relative obscurity, hopefully populated with like minds that view this as a game and not an e-Sport.