What did I say that you're debating? I'm guessing it was something about JM being serverless or P2P?
Just listening to the optech recap podcast 355, fyi nostr:nprofile1qqsgz07wf388du08kn6xj7l3qv9fpudqk7plrp7n9xqq5nwcd9lewkgpzdmhxue69uhhwmm59e6hg7r09ehkuef0492279, joinmarket has a server to coordinate the coinjoin: the taker, the nuance is that there is an open market for who can run this server.
The only truly decentralized coinjoin protocol is coinshuffle (++), but it's very complex and I think was never implemented.
Discussion
Yes, 20:30 minutes in, "joinmarket is a coinjoin implementation that doesn't use server coordination"