Here's why:
* J.K. Rowling's Inspiration: Rowling has stated that Harry Potter was inspired by her own childhood and her love for fantasy literature, not specifically a real-life figure from World War I.
* Thematic Connections: There are some thematic similarities between Harry Potter and World War I, such as the themes of loss, sacrifice, and the fight against evil. However, these themes are prevalent in many stories, not just those set in World War I.
* Harry Potter's Background: Harry's background is very different from that of a World War I soldier. He is an orphan, raised by his aunt and uncle, and his journey is driven by his magical abilities and the discovery of his parents' legacy.
* The Wizarding World: The story of Harry Potter is set in a fictional world with its own unique rules, magic, and history. It's not directly related to the real-world historical context of World War I.
While there might be some superficial similarities, Harry Potter is ultimately a unique creation, inspired by Rowling's own imagination and not directly based on a World War I soldier.