How do I know you've never touched one? Sure there is crap, you have one man dev's learning to code and making stuff for it, but there is plenty of quality material out there. The biggest answer to your question is simple though. It's a completely different medium than a monitor. Think about how much more immersive a 70" TV or IMAX is than a 19" monitor. Then think if that IMAX was actually you inside what you are watching. I'm not saying better graphics aren't welcome (and there is some visually stunning stuff out there), but that is really not even a part of it when it comes to immersion, because it isn't even remotely on the same level as a monitor. They simply are not comparable.
The games, yes the games, there is that. Most of my favorite stuff isn't even games though. It is capable of so much more. There are too many hard to overcome issues to make high quality long hour games at this point. They seem to be stuck in certain genres because of those roadblocks. People praise things and buy up everything just because of the 'support the devs' mentality right now which is pretty annoying. I mean, a bad game is a bad game and even worse when it is obviously overpriced. But....and it's a big but...a good game is a good game, even if it is only 5 hours long and it is way more..impactful in VR.
I don't blame people for not wanting to pay the entry price, but it really is pretty amazing to see how far it's come in my lifetime.