I read this in Elon's 6,000 units/week mission message this week and I about fell off my chair. Aside from the fact that everyone loves precision (and a squeaky panel would likely squeak the same for every vehicle - repeatability is king), I think it's his secret to fast assembly, and I bet his goals are 10x by definition. Strong relationship between precision and speed and I bet one is predicting the other in this case. Imagine threading a needle with a machine - lower precision would require slower speeds to be successful, maybe several attempts or a least stop and proceed slowly. Now imagine a Falcon Rocket trying to land on a floating platform. Precision really matters when going fast - obviously! A fiducial image recognition on a part could be so accurate, the robot literally flys in to the spot from feet away... not close then find again, not after a second try... just boom. And critically damped like we like it. Tesla and SpaceX really do share this technology. So is 10x enough to cause a "blurred" Assembly line I wonder? Elon, come on, I know you can do 20x, then move them even closer together and coordinate their movements in space for even a smaller factory footprint. Go dude!