Actually, I think Apple is already more or less compliant with this part of GPLv3, as they allow developers to self-sign the software, right? You just have to p

Actually, I think Apple is already more or less compliant with this part of GPLv3, as they allow developers to self-sign the software, right? You just have to pay for a self-signing key. That's sufficient, because it means you can run modified software. All they have to do is lift the restriction to pay for the self-signing key.