I am not going to install Windows on the bare metal just for a single application.
I mean, privacy implications aside, it's just not practical to do so, because then you have to reboot into a separate OS just for this one program, and then again when you're done. It's stupid and that's where Linux's KVM really shines. Near bare metal performance with GPU passthrough, but it's just a window inside your main OS with all of your shit. A perfect stop-gap between things Linux can't do that Windows can.
It's the one thing I'm jealous of as a Winnigger, there aren't any good type 1 hypervisors for Windows. There's Hyper-V, sure, but it's slow as shit, doesn't have GPU passthrough or anything like that, and also it's implemented in such a retarded way that it takes away VT-X extensions from type 2 hypervisors, so if you have VMware or VirtualBox VM's that need a type 2 hypervisor because they run older OS', tough shit, Hyper-V is hogging the shit that makes them run smooth. Same thing happens with other Windows virtualization extensions, really fucking stupid.
i feel that if your program doesnt have a FOSS equivalent its probably just bloat and or unneeded
Well that is just stupid. FOSS can also be bloated and unneeded, and proprietary can also be unbloated and irreplaceable. I'd judge software by how it works and performs, not on it's alliance to my specific political beliefs about software. I want shit to work and not suck, and if there's a proprietary and a FOSS solution, and the proprietary one works better, I'll go for that.
Windows vs Linux? I'll go with Windows.
MS Office vs LibreOffice? I'll go with MS Office.
BitLocker vs VeraCrypt? I'll go with VeraCrypt.
uTorrent vs qBittorrent? I'll go with qBittorrent.
And the list goes on. Use the software that works best, if you're autistically sticking to everything that's FOSS just because it's FOSS you're actively harming your user experience. Like going with FOSS Nvidia drivers because proprietary = evil and then your shit doesn't work, but it would if you weren't a stuck up autist and installed the proprietary ones.