Also available in non-video form at https://gekk.info/articles/hyperspace.htm
Not entirely sure how well it would fit this community given it’s “nerdiness”, but here is a hour and a bit long video of a rather interesting explanation of a BIOS vendor committing metaphorical crimes against the ways most computers expect themselves to work – all for very little gain.
I recommend checking out Cathode Ray Dude’s other videos as well, his channel is really good and he just started working full time on it.
It’s been a week since I watched it but there’s a part about halfway through that doesn’t make much sense to me.
When talking about hypervisors he goes on about the slow speeds and poor hardware compatibility, but I’m not sure those two things are endemic to hypervisors.