Have always said JoinMarket has the biggest chance of survival of all currernt coinjoin implementations in case of full scale war on Bitcoin privacy, as there is no centralized service profiting, there is no company behind it, even if you arrest or kill all the devs, code is open, people can still run it. Also true for Samourai and Wasabi, but both require single centralized coordinator to coordinate coinjoin rounds. In JoinMarket taker is coordinating, which means anyone can do it and there always will be makers over Tor ready to provide liquidity, no single server ever to seize / shut down.