The Harry Potter franchise has sparked many debates among fans over the years. One of the most controversial storylines involves the character Snape. 

While some fans sympathize with him, others condemn his mistreatment of students. Hermione's love interest is another point of contention, with some fans favoring Harry as her partner while others support Ron. Draco Malfoy's redemption arc also divides fans, with some appreciating his hesitations and regrets while others believe he didn't do enough to make amends. The relationship between Albus Dumbledore and Harry is questioned by some fans who doubt the former's care for the latter.

Hermione's efforts to free house-elves also had mixed reactions. Ginny's portrayal in the movies disappointed many fans, while Neville Longbottom's smaller role was seen as unfair. Harry and Ron's friendship, though portrayed as the best, had shades of gray due to Ron's jealousy. The redemption of Harry's cousin, Dudley, sparked different opinions as well. Despite these disagreements, the Harry Potter franchise remains beloved and enduring, captivating audiences with its tale of magic and triumph over darkness.