The website received too much traffic from the around the world and the server crashed. Alot of the people complaining did not even attempt to call Sephora to place the order, nor ask if they can get a credit or gift card to buy an item later. Some did attempt to contact CS and did not get a resolution over the phone. Some of the complaints are because people wanted to use two promos/coupons on one order. People freak out about some of the most trivial things. It just makeup people. No one died and you're life is not ruined.
I'm a VIB rouge member, most of the items I wanted was available some like the Nars audacious lipsticks were not(not to worry I"m sure Narscosmetics.com will have friend/family sale within the next month). Urban Decay just had their friends/family last at ud.com. They always do. If not, then I can order from Sephora again using the ebates cash back option.