Ahhh, the problem with incentives; maybe it's more the case that, had the Linux Foundation behaved in a more aligned with the pure open-source ethos way, Linux would not be so widely used and working so well? They problem of incentives in open-source is real - who, why and how should support your development? Especially for things like OSes, which require constant work.
I don't know whether we have figured out the best models here just yet; the results are mixed