Whether this really happened or not, I have no clue, but if I owned the store, the sales person would probably be looking for a new job at some point for one of two reasons. One, because they were not good (or smart) enough to qualify the customer up front before investing too much time, and two, because they were too lazy to explain their value position to a ready to purchase customer who appeared to be offering right of first refusal.
People who have enough money to afford an expensive system generally value time and experience, but they are not going to just give their money away, they make you work for it.
People who have enough money to afford an expensive system generally value time and experience, but they are not going to just give their money away, they make you work for it.