Let's put this stupid never ending meme to rest, shall we?
The 9500 Kickstarter backers got their DK1 for their money. Including me. I was one of the first ones. They have delivered what they have promised in the campaign, nothing less, nothing more.
Or do you really think that the development beyond the DK1 and the massive hiring that included people like Abrash and Carmack that has brought Oculus from a 3 person startup to a large company acquired by Facebook was actually financed by the Kickstarter money? You need to get real, those Kickstarter 2.5 millions were long gone by then. Yes, the Kickstarter got it off the ground but everything else was paid by venture capital - and Facebook. So the Kickstarter backers really don't have any reason to not be happy about what became of their money nor does Oculus have anything to report to them anymore.
Now whether the direction in which Oculus is going meshes with the ideals about "democratization of VR", cheap VR that everyone could enjoy etc. that is another discussion. Personally, I am not happy with what they are doing, because instead of making the VR cheap and easily accessible it is going to be a toy for the rich kids only. The minimal PC requirements are actually the least of the issues, even though it is something that the lay person is most likely to deal with.
The much worse problem is that their SDK is becoming more and more proprietary, closed binary blob that requires your 3D engine to pretty much build everything around it, otherwise it is a nightmare to integrate. It is pretty telling that even Unreal Engine 4 *still* doesn't have a good DK2 integration, year after DK2 is out - it is that complex and that intrusive to do and their heavily threaded and pipelined engine is not a good fit for the expectations the SDK has. I am afraid that with these crazy requirements the adoption by actual content producers - game studios, application developers, etc. is going to be minimal.
The massive effort required to re-engineer the games (both the engines and to adapt the content) to support the Rift will not pay off when only a small niche will be able to actually use it. Heck, current games are barely able to consistently hit 60fps at 1080p, here we are asking double the resolution and, should we follow the recommendations from Oculus, we should be targeting 90-120fps. Good luck with that ... Either the Oculus games will have massively reduced visual quality compared to the "normal" versions or will require insane hardware. Most likely both. I just don't see the game studios jumping on this bandwagon on a massive scale. I am afraid that what will most likely happen is that it ends up as yet another obscure and poorly supported gizmo, like the Razer Hydra, things like the Vuzix glasses, various shutter 3D glasses that were sold for PC over the years etc. A pity and a massively wasted opportunity, really.
That they have stopped the Linux and Mac support - I think it was obvious that this was only a matter of time. The writing was on the wall ever since they have released the DK2 with the two-part SDK architecture (closed source binary blob runtime and an open library to talk to it). The Linux and Mac SDKs were much delayed and when the SDK finally arrived, it wasn't full featured - e.g. the "direct" mode has never arrived to Linux (even though it is possible to make something like that work and probably with fewer bugs and glitches than the horrid driver hack they do on Windows).
The Mac SDK may eventually come back, but I am not having much hope - most Mac users have laptops and most laptops with discrete GPUs actually don't render directly to the external output but into a framebuffer of the integrated ("slow") GPU which then sends the image out. Which is the architecture that is explicitly not supported by Oculus. The Linux SDK is very likely dead for good, even though they won't say so. It just doesn't make commercial sense to go there, the market is small. So it will be likely languishing in limbo forever - not officially cancelled, but never to be seen again.
In conclusion, I am not happy with this state of affairs, but I am not regretting supporting Palmer when he launched his Kickstarter. I had quite a few exchanges with him by e-mail at the time when he was designing what became the infamous cardboard Rift prototype. He is a good guy who had a vision, a prototype and a skill to make it happen. Oculus is certainly a phenomenal success from this point of view already.
However, I don't see myself queuing to buy the commercial Rift version any more. I will rather invest my time and skills in making VR work with projectors and maybe other technologies that may yet appear. The direction they took the Rift to is a technological dead end, in my opinion - engineering and business running amok, without any regards for the user.