One never knows what business as usual is in Wetzlar.
I would say they are making a special effort to meet with you. Getting to see the CEO is a plus. Not sure what might come of it, but you are certainly not dealing with a lower level person.
Attitudes have changed in Germany over the years in general. More customer oriented, friendlier. Forty years ago, they were all very "proper", and would never have met with the mere mortals who bought or were enthused about Leica. As a teenager in the early 70's, this was certainly the feeling of the place. Even in the 80's, things had not changed much. Over the years, I have made many freinds past and present with Leica Germany and USA. Eventually, you become part of the Leica family. The friends you make on your trip this Summer to Wetzlar will pay off many years in the future. That has been my experience.
Always remember they are prople too, with families and lives apart from Leica, even though that is their job it might not always be their passion. But there are still many at Leica who have the Leica passion. If you can connect on a personal level with them, they will always remember you in a positive way.