Their custodial nature aside, my question is about the lightning network itself. Fedi and Cashu and interesting and have their use cases, but once a payment goes from one lightning node to the other their privacy features are effectively off the table. As far as I can see they offer great privacy as...

fedi is all smoke and mirrors. one person pretends to be four people! and if you can prove that it is really four people, in turn it is easier for the state to find out who they are and unplug their bank. not to mention, how hard is it really for four people to be evil together? it's not hard at all...