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Is the phrase "Use your brain" common in the American corporate world?

5 years ago
A friend told me that her boss told her "Use your brain" and she thought that was very mean. I also think it is a mean thing to say, but her boss told her that that is "common in the American corporate world". I don't know if it is true or not, but it sounds rude to me. Maybe is a cultural thing, but I think that that phrase will be very mean and rude in latin cultures. What do you think?