He talked about the importance of anonymizing off-ramps and on-ramps for regular users by design and limiting history to one transaction for privacy protection.
Seriously, why do people keep trying to jump through hoops where it's very easy to make a mistake, rather than just using something with privacy built-in?
With Bitcoin, you have to trust that the mixer isn't a bad actor, that you don't get tainted coins in return, that you make enough hops or mix enough times, that no one discriminates against the sending address or recieving address or amount being sent, etc.
