https://www.gamesradar.com/hogwarts-legacy-gets-psychological-horror-and-world-war-ii-tags-on-steam-in-apparent-user-protest/
https://www.gamesradar.com/hogwarts-legacy-gets-psychological-horror-and-world-war-ii-tags-on-steam-in-apparent-user-protest/
I'd advance at least the possibility that Harry's patronus being a white stag is related to the white stag as a persistent symbol in European mythology.