It’s important to give good feedback.
A Reddit user shared this teaching review form, and it includes the most incredible burn. At the end of the form , there’s a section that says “In the space below, please write any overall comments about this course or the instructor not covered above.” Which the student filling it in took as a signal to really get their claws out. They wrote:
If I had one hour to live, I’d spend it in this class because it feels like an eternity.
Yeah, it’s an old joke, but it’s dispensed with such perfect barbarity that you’ve got to respect them for it.