What brave extortionists - $4.5 million for themselves and also the api changes. Like a modern day Robin Hood, their honor is unassailable.
Quite frankly, this is a good PR move, although I would assume that it's still better to maintain a low profile. Still, I'm sure a lot of people are hoping for more events like this to occur in order to punish Reddit.
For all you Businesspeople reading this: this is how much that tech debt the Engineering team has been talking about has costed.