Sales engineers have to be good enough to bluff their way through the layers of hyperbole/minor exaggeration/utter bullshit (delete as applicable) the sales team have spun. Whether their conscience gets involved before the deal closes, different question.
I worked for Apple retail many years ago, and Apple Store rental is a very real thing regardless of the product. In fact, when the Genius Bar repair queue got too long it was actively encouraged.
As much as I’d like it to be, I don’t think there is a mass rejection of the Vision Pro happening.
ChromeOS Flex is ChromeOS but can be installed on most commodity PC hardware. It’s not new, Reuters seems to have picked up a PR push in the wake of Microsoft’s Win10 announcement.