No, he was probably having a bad day. What happens in the back with the technicians is usual, but the advisors up
front deal with customers directly and are supposed to be informed what's going on and remain joyful throughout the
ordeal. If your car is CPO, you won't be spending money for those repairs so that may be why he's not happy as dealers
love used cars by the way.
Check your mirrors as often as it takes for you to know where everyone is around you!