Yes that's basically it, you can ban a specific device but that's like removing water from the ocean with a bucket. Betting on device attestation really means

Yes that's basically it, you can ban a specific device but that's like removing water from the ocean with a bucket. Betting on device attestation really means betting that computing devices will become more and more expensive in the future since the device cost is the only blocker created by the attestation. And if there's one thing I'm expecting, it's that's not going to happen, device prices will continue to decline.