#14 - Dec. 21, 2011, 12:06 a.m.
The confirmation dialogue on rare and above, as others have mentioned, is our mechanic to warn people. We don't have any plans to introduce additional measures as the ability to 'buy back' a randomized output is actually fairly complex. When you sell an item to a vendor we know how much gold you got for it, if you want to buy it back we make sure you have that much gold, and viola we exchange it back. When you salvage an item what you get isn't a set amount or reagent, you could get a mix, and tracking that each time someone salvages an item for all characters in all regions isn't a super simple design (or even service) problem. Obviously not an impossible one, but it's significant enough that we have to weigh it against other features and make a decision. The decision, for now, is to rely on the warning.
Be careful.