I guess a lot depends on your viewpoint. While this is not the situation described you described, yalie25, consider the possibility of the good old last minute reservation because you absolutely have to be somewhere tomorrow, or tonight.

You're going to pay out the nose for the ticket, promo or no promo. In these cases, I think of the offer as a freebie (since I was going to buy the expensive ticket anyway).

The offer certainly didn't increase Delta's revenue, but it was a good thing for me.

Just a thought...