The correct way to align cars with steering angle sensors is to set to 0 degrees (i.e dead straight) on the diagnostic screen, and then adjust the tie rods to suit.
If you move the steering wheel round some notches to center it by eye, you will have an angle bias on one side, which may affect the steering weight and or ESP behavior, depending what the manufacturer 'tolerance' is.
Given how many cars have electric steering these days, and how long electric steering has been around (well over a decade), that kind of ignorance in the trade is unacceptable.....but then again......what else is new!!