Over the last decade, QNX management managed to piss off everybody needed to support their ecosystem - open source developers, point-of-sale systems people, robotics people, hobbyists, and even industrial real-time developers. All the money is is selling to high volume markets, and that meant automotive and Blackberry devices. But that focus cost them brand awareness and a pool of people familiar with the thing.
I hope it gets open sourced when Blackberry goes bust.