This is probably misguided. Apple includes the OS version number in the user agent, so an attacker can actually pay to have code delivered only to users with vulnerable versions of MacOS. (advertising marketplaces allow bidding by user agent)
Heya, I couldn’t find a way to contact you privately but I’d assume you want to delete your comment until (presumably) next month! Correct me if I’m wrong tho :)
Alternatively, a mod could help to edit it instead
It’s a product that isn’t officially announced yet. Anyone could mention that they own that device of course, but it’s the extra credibility of him being an ex-Apple SWE (judging from his comments) that convinced me to drop that comment.
Dunno if there could be any legal implications, if not - all good!