Fact of the matter is that even when they hire additional part time employees to handle an extra load (if they even do that), they still have full time employees making rigs.
I've been to RV shows and seen shoddy quality stuff plenty of times. Seems to me that if I was the dealer showing these things, I would spend a little more time making things perfect. The dealers rarely do though. I've seen doors horribly misaligned, missing hardware, crooked trim, missing trim, unfinished or poorly finished interior pieces.