For everyone that is complaining and swearing that this is the death of destiny and that Bungie is terrible I have a small story for you about a game most have heard about.
Back in the early years of World of Warcraft it wasn't uncommon for small updates to bring the game down for hours, days, or even weeks at a time. That game lasted through it's growing pains and has become so big that nothing but Blizzard dropping it seems to be able to kill it.
Moral of the story, stop complaining and let them work. They know that they -blam!-ed up more than you could ever explain to them and they'll fix the issue as quick as they can.
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Except WoW also survived because it knew how to fix the problems, not make them worse. You can't realistically compare apples to oranges and expect to get grapes as an answer. Bungie is not Blizzard, and I'm pretty sure that Blizzard is going to be still standing long after Bungie folds and sells everything they own to Activision (souls included). Good thing we still have 343 to keep us going.