1. An EV or OV cert tells you where the company is registered. So the user, presented with this information in a nice UI, would be empowered to decide whether they want to order a new laptop from a store in their own jurisdiction, in a country with a legal system they can trust, or from anywhere.
2. Companies and law enforcement have lots of experience tracking paper trails. Is it perfect? No, obviously not. But it has worked well enough offline that in jurisdictions with good rule of law, we have little fear about checking out a new shop or restaurant for the first time.