You need to remember that not everyone on the production line is a car enthusiast, even if they are building a special model.....to them it's just a job. Someone more than likely felt it would mean more work, if they pointed it out..if they even noticed it. Not that they couldn't do a better job and they should if they really care. (These are the same individuals that feel they should be paided 50.00 an hour to put one bolt on each car....and then can't understand why they are being replaced by a machine....thank you s).
Judging from your problem.......you need to find a better dealer, or at the very least...another service adviser that cares about customer service.
I have had nothing but good luck from my encounters with service dept's, and when I did have an issue...I don't just go away...I talk with the service manager to correct the issue. Like the last service manager told me.."it's the little things that cause the biggest problems".
Don't accept anything less than what you should get.....Good and fair customer service!!