Well, technically, it was his window...
So many followup questions, I'll try to be succinct and consolidate.
Did you switch cars there and then, or wait until you both drove back to the shop to retrieve your property and never do business with them again?
Actually the guy sort of laughed about it. Said “those guys....” I went on to work, and took the car back the next morning and picked mine up. All European in Jupiter. The guy (Aldi) is now dead, but I think his family still runs the business.