If you are managing a phone for your kids, for instance, they would certainly have access to the device passcode but would certainly not have access to the Appl

If you are managing a phone for your kids, for instance, they would certainly have access to the device passcode but would certainly not have access to the Apple ID password. Yes, they could probably create a throwaway account (I don't think you need a credit card to "purchase" free apps) but it's a barrier to entry that is likely too high for a lot of kids at the age of having a managed cell phone.