Most of the magic doesn't come from the robots, it comes from the soldermask. Surface tension from molten solder will move misaligned parts by a surprising amount:
That solder mask is cool, but placing epoxy dots before placing the component works pretty good, especially if a reflow oven is used anyways. Misaligned components at high-tolerance has been an issue with solder masks, and not all silicon based solder masks are CE-compliant. The time it takes to drop epoxy dots is less than the time to retouch and realign the component.
I used to program PNP and CNC machines back in the heyday of Cray, then moved up to developing the software to program PNPs and CNCs (shit, I've come a long way since then but still miss the sweet smell of lead in the morning from the wave solderers) improving "fiduciary" operations and increasing speed, accuracy, and feeding.
http://youtu.be/N_195d7bP9M?t=3m10s