I had/have the first two quests. But needing a Facebook account was one thing I had to think hard about when I got it because I wanted to delete my account. With Facebook getting worse and worse it means I have zero desire to get a new one.
And to address the article, I would say it isn’t that interest in VR is decreasing, people don’t want meta VR or anything tied to Zuckerberg. I would love a valve index personally, just need to wait to afford it.