Elves with sticks. Since the early years of Dungeons & Dragons, the argument over whether or not homebrew monsters, spells, dungeons, and adventures are valid, or we should only play everything as written by the "official" source. Some people swear by homebrew only, some DungeonTubers swear at it.

http://jeffsgamebox.blog/2026/06/02/homebrew-is-good-actually/