Please be more precise when giving feedback (yes, precision is also required in communications
As I read it, he doesn't say ALL, the sentences are "in our eyes / following our experience". Regarding their sales figures compared to the ones of your camera builder, there might be a slight experience advantage for Alpa? At least they get far more feedback from the field.
Also no mention of 1/1000 mm, the required, means visible in the end result, tolerances are 1/10 for film, 1/100 for digital. This should also be known to your camera builder, I doubt that Gottschalt is able to change the laws of physics?