Considering how tight-lipped Amazon is about everything (including the fact that they've never divulged the number of Kindles sold) I'd imagine Jeff Bezos and Tom Szkutak might be less than happy.
Possibly they should be, this time, as the leaker has just given me (and every other Android developer) 2.5 million very good reasons to bother putting my app into the Amazon App store.
That's the Kindle development thing. It seems to be a black hole. Perhaps because it's based on some kind of bastardized J2ME tech, from what I understand, whereas the Fire is just Android, so you probably won't need that much special stuff to develop for it.