They don’t. Nearly everything that you buy has a unique serial number, and if consumers are buying direct from manufacturers it could, in theory, link a consumer to a serial number. It’s unlikely that they could make those connections, though. Peak sells direct, but they also sell through 3rd party stores and distributors, where there is an abstraction between the serials and consumers.
This assessment has got it all wrong. People don’t want further acts of violence against healthcare executive teams. Or, I should say, not just healthcare executive teams. That thinking is far too narrow.