What's 30 minutes?

There is a certain pizza chain that entered the market with a slogan promising pizza delivery in 30 minutes or the pizza was free. Lately the company is running ads featuring a tag-line that reads "you've got 30 minutes". (emphasis mine.) In the fine print is a disclaimer to the effect that the slogan is not a guarantee of delivery time . . . "it's just an estimate. You may get more."
Ain't that clever? It's almost as funny as the old Mr. Subliminal gag from SNL. From "we've got at most 30 minutes" to "you've got at least 30 minutes"!
Now that's spin!