One of the most cogent criticisms of Longfellow's famous poem can be found in Monty Python's Famous First Drafts sketch. I present their argument here in its entirety:
By the shores of Gitche Gumee, By the shining Big-Sea-Water, By the Iggy Piggy Booboo Higgy Tiggy Riggy Poo Stood the wigwam of Nokomis, Daughter of the Moon, Nokomis.
Well, I don't know about you, but I can't help feeling they might have a point.