I don't think this is a fair argument, because attendance to sporting events has constantly declined in the last decade, mostly due to how great TVs have gotten. I think they just haven't tried VR because it's not worth the initial cost to jump start something that would only be used by a niche crowd.
I agree with a poster above. But instead of allowing guests into all the parts of the parks for a fee, only give them Main Street and maybe one ride, PERIOD. I imagine you would make a TON of money off of all of us Disney fanatics to just get a taste of WDW while we're not able to be there, but you're not giving away the whole enchilada (or anywhere close to it).
I rarely hang out on Main Street (only go in there when it's 1) super hot, 2) raining, or 3) I want ice cream), but I would LIVE on Main Street in a virtual world at home.