Interesting.
So there's a few things that may just be unclear to me. Firstly PB4 will have all the features available but placed on testnet. I assume your discussion centres around extending this to beyond Open Beta so people have a playground they can play in indefinitely. I don't mind it, games such as League of Legends and even World of Warcraft do have special testing environments that anyone can play on. The core difference would be the testnet world doesn't have a ranked mode in any competitive games that are related, as for dev work its hard to say.
However I should mention that Illuvium passport will be compulsory to play the game as far as I am aware. So your education wouldn't have anything to do with wallet creation or protecting private keys since IMX will take care of all of that. Avoiding scams might be valuable but IMX should protect you from that as well.
The Passport has been built to serve this exact purpose in helping onboard users without the need for education or crypto knowledge, so I am not sure what we can achieve beyond that?