 Think it's only the underperforming employees who get the boot? Think again. I'm Brian Van Miller on business. You might be the best salesperson, the hardest worker, and beloved around the office, but that does not mean you're safe from being shown the door. So why would a high-performing person ever be fired? An employment lawyer took to TikTok to address the question after finding himself representing a number of people who did not understand why they were let go. He says when an employee with a proven track record of success is fired, it's usually for one of three reasons.