Yes - beta, you actually don't understand what beta means. It is explained in original post, please try reading again.
You don't charge for time of service if you cannot provide it, it doesn't matter what it is. Every subscription based game is dealing with this issue by giving back that wasted time. Now I'm not saying DU devs won't, but there is no official statement yet, so I'm complaining, because there's a reason for that.