I feel this new version could help with that if unapproved users are restricted in the types of issues they're allowed to create. Something like "external". Or vice versa, they can't create "Internal" issues. But I immediately see a problem which is that types are not tags so the dichotomy of internal/external means that types now can't be used for type-of-work, only channel-of-input. So you'd be back to using tags for the former...