Depending on how much is now bundled under that 'structural protection' umbrella, I'm still not convinced.
If everything that needs unscrambling gets unscrambled and everything is in the same place (file system wise and therefore LBA wise on the backup), I don't see why it wouldn't behave like the original disc. The only thing I can think of right now that would stop it from working is if the unreadable sectors *had* to be there - as although they could be emulated via software, they wouldn't be present on the backup itself.
Obviously I know you're very active at the RedFox forums (the world thanks you for that), but until you actually develop software for this field, there's a good chance you're just repeating what others have said and what you've 'discovered' / 'interpreted'. That may not be the whole story.
Now if you can tell me of an actual case where a playable disc has been correctly unscrambled, bad sectors ignored (and aren't required) and a ~1:1 backup wasn't playable, I'm all ears. That's isn't quite the challenge it sounds, I'm genuinely curious.
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