One of the few lessons in school that is emblazoned in my mind is a writing class in middle school in the US (in central PA) where they deducted points for the

One of the few lessons in school that is emblazoned in my mind is a writing class in middle school in the US (in central PA) where they deducted points for the use of first person in opinion pieces. The reasoning was that it's obviously an opinion piece, not law. Any use of first-person would be redundant.