Given their customer base, that sort of response would have kicked off a shit-storm. ISTM that any "responsible disclosure" ought to at least rate a T-shirt. (If GH don't want to pony up the T-shirt, that's fine, but they can't send customer notifications before the researcher publishes.)
I'm not saying that I didnt get anything for it what so ever, The peer of mine did manage to send over some swag as a thanks, I now have http://i.imgur.com/d2f7mcD.png on my work desk :)