I feel like the "killer app problem" is not unique to the Quest, but the whole VR ecosystem. I'm being cautiously optimistic Apple will finally break through and find an app that will appeal to the masses, and even though the price is not attainable for 95% of the population, that will trickle down and find it's way to the broader market.
As stated before, YMMV, because the killer apps for me have been iRacing and DCS in VR. If you aren't into simulation games, VR isn't really there yet for your genre. FPS's are getting there, kinda. Your brain still has to remind your body to crouch. Beatsaber, tennis, there's some novelty games but if you're asking yourself why would you buy VR, you already answered your own question. You shouldn't. Apple's headset, like the iPhone, will take some time to get apps working and finding their market fit. I do have hopes that Apple's headset brings VR into a more "stable" marketplace. Instead of just the few niche titles here and there that you play with Valve's headset or Oculus/Meta Quest.
Simulation games will ALWAYS benefit from more VR, more hardware, more wheels, more human interface controls.
