Yes, I got a similar treatment from the Frankfurt Marriott after being hit with DCC. The general manager offered to refund the approximately €5 of DCC or give 1000 Marriott Rewards points. Even valuating at less than 1¢/point it was a no brainer to take the points.

Fellow FlyerTalk member percysmith and I ate at Greyhound Cafe tonight, and we were unable to dodge DCC. A post will follow...