Just because it’s never been done before doesn’t mean it can’t be done. You know what I would do if I was CG? I would combine the 2 recent styles of events.
First to unlock the Falcon At 5 stars you would need rebels and you would be attacking the empire. Ackbar as the capital ship and then the 6 available rebel ships. Because these have been available for a while it would be extremely difficult. C3PO style difficult for the final unlock stage.
Then to get the final 2 stars the Empire would be retaliating and hiring BH to track the Falcon down. This would require the 4 BH ships. This would be much easier to play, but the difficulty would obviously be having the ships at 7* to be able to attempt the event.
This would be a fun style, and CG would make bank.