There was an interesting thing yesterday on Early Days (#1002816) around 31 minutes in, where Boltz said that they needed a legal entity to be part of the Liquid Federation, but otherwise hadn't needed it and still don't have a bank account to date (because they inc'd in El Salvador)

Anonymous services are fine if they are powered by open protocols / trustless or replaceable. It takes proper engineering to make a service like that. I did like the idea of civkit for example (I think it's defunct now?), that tried to create tooling that could enable this.