Coming from an outside perspective as someone not particularly interested in VR, you guys complaining about "sell-outs" sound like a bunch of spoilt, whining children. VR Technology just received $2B in funding, confirmation that it's "gonna be a thing" through the interest of a company as huge as Facebook, and a highly talented developer. I do not see the bad news in this.
No, they didn't. The $2B went to buy ownership of the company from the VCs and Palmer and Nate and whoever else had a stake in Oculus.
That said, Oculus do now have access to FB's large reserves for funding, so they do have a lot more than they did pre-acquisition.