We've seen our parents and their peers gamble their zeal and inheritances on a coin toss—the sides are hubris or victory—and we think we've learned better. As children, we screwed our eyelids tight and cast our wishes with footnotes in fine print before blowing out the birthday candles.
When writers pen their first poems, or create their first fantasy/scifi/horror/etc. characters and plots, they often sound cliche. To the friends and teachers of these beginning writers: don't be dicks about it.