A "software virtual machine" is a disambiguation that I chose indicating that the "machine" is implemented entirely in software with no help from special silicon (contrast with [2]). I can't fathom why that would be so controversial.
The entire thread comes down to this: the demo of x86 Linux running on Apple Silicon could very easily have been running in a virtual machine made entirely of software. No one claimed, as I recall, that Silicon implemented any hardware assistance for executing x86 code. There might even be IP issues doing that (IP - intellectual property, not "internet protocol".)
See also [3]
1 - https://en.wikipedia.org/wiki/Virtual_machine
2 - https://en.wikipedia.org/wiki/Hardware_virtualization
3 - https://en.wikipedia.org/wiki/Comparison_of_platform_virtual...