I heard this about 40 years ago and it has stuck with me. I was a newbie cocktail waiter working part time in my hometown hotel. One of my regular weekend customers was the controller and he was telling me he needed an income auditor for the summer line-up. I suggested my brother who was recently out of work at his articling job at a CA firm.
He told me rather strongly I recall that my suggestion would never work because my brother had no hotel experience and hotels are different. I pressed him on it and all he could say is, “We have a different way of doing things in the hotel world.”