You don't need to be accused of being a nit-picker all that many times to figure out what a nit is. So the label is kind of useful: for flushing out the people

You don't need to be accused of being a nit-picker all that many times to figure out what a nit is. So the label is kind of useful: for flushing out the people who need it explained -- now you know sho's sloppy enough to be worth being wary about.