Short answer: No.
More detailed answer: I'm the one who didn't mention it, so it's my opinion that it's not really your problem. It's mine. If you're outside the continental US and your reward tier entails something being mailed to you, it would be a very nice gesture for you to up your pledge by $10 to help cover shipping costs. But even if you don't, I'll still ship your rewards to you. You deserve them for helping me make another dream a reality.