You seem to be suggesting that if one's actions cause any sadness to anybody, even tangentially, that this is an immoral action.
That seems difficult to defend. If I beat you in a game of chess, surely you will be sad about losing. All I've done is play the game to the best of my abilities though.
Not quite. Context is important.
I'd rather not go into details though.
Bet Shiken that COD would outsell Battlefield in 2018. http://gamrconnect.vgchartz.com/post.php?id=8749702