5) Minion cheats (bring into play high cost minions without paying full price)
6) Mana cheats
7) Inadequate gameplay testing
8) Focus on randomness
9) Becoming more aware of how much of a waste of time this is
11) Penflinger is annoying enough as is with how long it takes people to play him over and over, we didn't need to put up with the hyper annoying soundbite.
This is not life guys, create some distance. On your death bed, looking back at the things you regret in your life, playing more hearthstone will not be one of them. But it or other games may be the cause of many others.