Why don't they then? I've been trying to tell US merchants they can literally get free EU customers by registering for IOSS and the most I've gotten is a shrug.

Why don't they then? I've been trying to tell US merchants they can literally get free EU customers by registering for IOSS and the most I've gotten is a shrug. Many of us are willing to pay for shipping and taxes up front just so their products don't get caught in the "free money for us" exploitation racket that is EU customs.