Poe's life had many complications due to poverty and jealousy that made his being a literary genius almost irrelevant. Researching his death produces even more questions than answers, as a strong case could be made that he was made to appear to have died of a morphine overdose in a ditch.
https://www.researchgate.net/publication/357868645_Edgar_All...
It's one thing for a biographical analysis to look at the person's real life experiences and relationships.
It's another thing entirely when you start conflating the characters in the fiction with the author's own character...