The most realistic thing Rowling ever wrote was a mediocre, trust-fund jock coasting through life on his dead mother’s sacrifice while Hermione Granger did his homework and kept him alive for seven straight years.
Harry Potter never mastered magic. He spam-cast one disarming charm he learned at twelve, let a teenage girl solve every mystery, and won the war on an Elder Wand technicality in contract law.
Peaked at Quidditch, barely passed his O.W.L.s, and grew up to become a cop for the same corrupt Ministry that slandered him. Dudley was right about him.