I have a random question. Some of you may know the answer. Why is it that when I see anime nerds discussing translations of anime/manga they use the term "localization" and not "translation"? Are they just trying to be fancy, or is there a valid reason?

(for context I have several professional translators among my friends and coworkers, not once I heard them use that word - I took translation classes in graduate school, never saw the word being used once either)