Yeh, I think it has to do with some CPU topology crap. I have it working pretty well, luckily - I once had an old Virtualbox VM with MacOS that I needed, and I was able to boot it in my Windows VM.
With Lightroom, you're right on that. Honestly, the state of FOSS image editors is a bit ridiculous, especially considering how good FOSS vector editors like Inkscape are these days compared to their commercial, proprietary counterparts.
Or as Worf once put it, “We don’t discuss that with outsiders.”