She got annoyed with being asked to do more than her job description or responsibilities without extra compensation. When she asked for extra for doing extra she was denied. So she refused to do the extra anymore. And was called a slacker and workshy by her boss.I don't think this quiet quitting thing is a thing... those got fed up of being mugged off, and then got another job? So, just quitting? Or, just getting new jobs? I struggle to see this as more than not putting up with **** companies?