the blizz team should reconsider lowering their wagering requirements, at least an achievable one so players will be encouraged to play using their bonus. it is understandable to have high wagering requirements but if it is too high, then, it is just another way of saying you can't get out alive here... 
Mentioned the same in my earlier post in this thread. A gambler needs to wager around 40 BTC in order to turn the 1 BTC bonus into real money which is insane if you think about it.They mentioned that they could only process withdrawals of a certain amount every week which is bad for high-rollers. Blizz.io needs to improve these issues if they wish to stay competitive.