I don't think that would work because setting up a shared Apple ID using a throwaway webmail account would be trivial. Each one would be good for multiple devices, and running a build script to generate multiple binaries for multiple accounts wouldn't be all that hard.
They used to ask for a credit card, but I believe that's no longer required (if it were, you could just use a prepaid gift card).
They used to ask for a credit card, but I believe that's no longer required (if it were, you could just use a prepaid gift card).