The Mac’s “resurgence” started around 1999 with the introduction of the iMac - 9 years before the App Store opened. Apple currently sells around 16-20 million Macs a year.
No matter how good WSL is, if you want to develop iOS apps, you still have to buy a Mac.
There are around 200 million consumer PCs sold a year. Do you really think any significant number or sold to develop VR apps - that market is minis use.