As with every other suggestion for a XYZ new section, you have to ask "are the other sections being dominated by threads and questions in such a way that an entirely new section/subsection is necessary?"
And, as with every other suggestion, no, they aren't. I haven't seen any massive influx of VR related threads or questions spamming the other sections (and, to be frank, I haven't really seen many new VR threads in general), so it's not worth creating an entirely new section for.
Especially when VR isn't really a "platform", it's generally an accessory to other platforms, in which case we already have sub sections for that (the Console, Accessories and Hardware sub sections available for most sections). The Quest included, which would...