Wow, you guys are very optimistic... I like it, but I think…

Wow, you guys are very optimistic... I like it, but I think we shouldn't underestimate the "enemy."
I guess we agree that what they're looking for is a "Bitcoin" under their control... that's why they're desperately trying to move traffic to that new chain where the real traffic would be carried and easily manipulated. They really don't care if it's LN, Liquid, or any other L2 or even a completly new chain like Solana.
Whether it's CTV+CFSF or sighasAnyPrevOut, the signature would be decoupled from the output on L1. It's sweeping traceability under the rug, and without traceability, there's no proof of a crime.
Normal people prefer a custodial account to one where you're the only one responsible. At least, many will... and they can't be prevented from exercising their freedom.