Edgar Allen Poe's "The Cask of Amontillado" Isn't Unique

Is Poe's short story of revenge based a real events? According to some American textbooks? Yes. But the truth is more complicated.
Sources:
Cody, David. “‘What a Tricke Wee’Le Serve Him’: A Possible Source for Poe’s ‘The Cask of Amontillado.’” ANQ: A Quarterly Journal of Short Articles, Notes, and Reviews, vol. 17, no. 1, 2004, pp. 36-39.
Crissman, James. Death and Dying in Appalachia. University of Illinois Press. 1994.
Freud, Sigmund. “The Uncanny.” The Uncanny, translated by David McLintock,
Penguin, 2003, pp. 123-162.
Schick, Joseph S. “The Origin of ‘The Cask of Amontillado.’” American Literature: A Journal of Literary History, Criticism, and Bibliography, vol. 6, no. 1, Mar. 1934, pp. 18-21.
Tarazano, Lawrence. “People Feared Being Buried Alive So Much They Invented These Special Safety Coffins.” Smithsonian Magazine, Accessed 18 July 2023.

[@ourdivinemouseoverlord3308]

Poe wrote multiple stories about people being buried or entombed alive. I always thought it was just a personal fear of his; I never knew people in those days were that worried about it.

[@pshaw8406]

Ethics of revenge? It's revenge, there are no ethics involved.

[@OxfordCommaEducation]

Believe it or not, that is how my school's textbook frames the story.