That’s some pretty impressive detective work, are Apple aware of the issue?
They will be on Monday.
I don't think anyone has presented to them enough debugging for their engineers to make sense of it. But I'm an engineer, I'm not good with accepting things without understanding them.
Nice work. Did you use any other software other than System Information to enumerate the USB IDs etc? To me the info in SI looked pretty similar on both cases, so I gave up without digging any further. Should've taken screenshots.
They will be on Monday.
I don't think anyone has presented to them enough debugging for their engineers to make sense of it. But I'm an engineer, I'm not good with accepting things without understanding them.