> If you’re curious to find who’s the owner of the AirTag that you have in hand, you can use your iPhone to view this information. Don’t have an iPhone? You can still use your NFC-enabled smartphone to see contact details.

https://osxdaily.com/2021/07/08/found-lost-airtag-find-owner...

I think people are mixing identifying the owner from the tracking beacon communications and identifying it from the physical device / serial number.