I hate the DRM, the intermittent server lag, and the bi-weekly day long patches for what is essentially a single player game, but I will point out one discrepancy with the above article/post versus what it actually says on the blizzard support site. Their site says:
Note: Most Diablo III Starter Edition restrictions will remain in place until payment verification is fully complete. This may take up to 72 hours.
When I buy something, the payment clears almost immediately. Maybe that's just initial verification or something though.
They should change their site to say, you can't play until your credit card clears. You couldn't buy a boxed game at a store if your card was rejected.