This is incorrect. Not all CPUs supported by Windows 10 supported the VBS feature.
Microsoft is making the VBS mandatory for OEMs, hence the CPU needs support, hence the ~7 year old minimum requirement for CPUs in what Microsoft supports for Windows.
Yes, you can disable it during setup as a workaround, but it's exactly that. And why you'd want to make your system less secure, well I'll leave that to the exercise of the reader when they'll turn around two weeks from now and complain about Windows security.
Most of the requirements for that feature are UEFI features or a TPM, and have nothing to do with the CPU
The actual CPU requirements are VMX, SLAT, IOMMU and being 64 bit, which have all been available on the Intel side at least, since at least 2008, with some coming available even before that.
The CPU requirement was just an attempt to force people to buy new hardware they didn't need. Nothing more.
A perfect example of this is the Ryzen 5 1600. Its not officially supported but meets every single one of the requirements and had no trouble enabling the feature in the run up to the release of Win11 (before it was blocked for no reason). I know this because I did it.
Also they marked all but one 7th Intel Core CPU as unsupported, and the one they did add just so happens to be the one they were shipping in one of their Surface products. No way you can tell me this list was based fact and not the whims of some random PM when they do stuff like that.
> and why you'd want to make your system less secure,
I'd offer that the likely goal here is the most usable system possible, working with what one has. If folks are here, there's usually a lot of necessity factors in play.