You make it sound like they would have to implement a client from scratch. With the question coming from the Cashu guy I suppose any client of your choice once it supports nuts would also support shitcoins. View quoted note →

On repeat eh

Hmm. Building Cashu to allow interoperability with Shitcoins is different. That would be giving them the tools to continue to Shitcoin. Now if they built it instead, then that's on them, and we can't stop them.