No, I have no problem with them doing that, or saying they're donating a portion to charity, or anything else. It just seems like they're still profiting off the sacrifices/losses of others in that case, even if they don't acknowledge it via a donation, so I don't understand how that's any better than what they're doing.
To me, however they choose to do this promotion would be fine with me - that's what capitalism is all about.