DCD is open from 9am-6pm Monday-Friday and 10am-4pm Saturday. DCD would take care of any issue without hesitation. And if they haven't yet it's because no one was notified of it or neither were they aware of it. In my opinion, the best thing to do in a situation like this is notify the shop that you had your work done at asap. A shop that backs up their work would get on top of it and take care of things and whatever tech that would do a job like that, wouldn't be working at that shop any longer right after something like that gets discovered.
And for everyone else that gets all hot and bothered over a simple comment, sit down and relax. No one was bashed, or talked trash about anyone. So how about you guys drink a beer and let's let DCD take care of this issue if that's what needs to be done.