I've been in the construction industry for years and have dealt with plenty of tradesman with an attitude, but this awful experience takes the cake!
We ordered repair/service on our oil burner days in advance. When the guy came out, he refused to perform ANY service whatsoever because our burner needed cleaning and he does not perform cleanings! Then he stomped out leaving us with no reliable heat and no repair. He blamed the receptionist/dispatcher, but offered us no solution. He didn't even say good-bye.
It's hard to imagine a company in business today that behaves in such a RUDE manner to it's customers. We were left high and dry (and COLD!) by this poor excuse of a company.