Ask HN: Microkernel vs Monolithic Kernel in a Mobile Context?

The business press is writing that QNX and its microkernel architecture is a huge win for RIMM's mobile strategy, allowing RIMM to supply a cut-down OS for low-powered devices and a fully-featured one for tablets: http://www.ibtimes.com/articles/86934/20101130/research-in-motion-jefferies-rim-blackberry-qnx-os-harman-kardon-unix-linux-android-playbook-3g-veri.htm

I know the Tanenbaum-Torvalds debate on micro vs monolithic kernels has been going for some time (http://en.wikipedia.org/wiki/Tanenbaum%E2%80%93Torvalds_debate). Will QNX be the commercial evidence that microkernels are superior to monolithic kernels (considering the constraints in current mobile hardware), or is the business press overplaying the kernel architecture when there are other reasons for QNX's potential success in this space?