"We don't ship junk. We just can't do it. There are things in this industry we wouldn't be proud to ship"
- Steve Jobs
Simply put, people like you are asking Oculus to compromise the quality of their VR experience to "reach a wider audience" - but honestly, if the experience sucks, VR itself will be a fad.
I'm pretty sure Steve Jobs would be pretty ****ing pissed if he saw the state of GPU support in Macs today. Honestly I think he would.
I am sure had a hand in all products up to the last few years, the average consumer cares nothing for gpu support. And Apple has been catering to the average consumer more so than niche's even under SJ