To understand the necessity of the undub patch from the perspective of the player base, one must analyze the reception of the official localization.
Arc Rise Fantasia is arguably the most famous example of a game where the "Undub" is heavily preferred over the standard English release. The reason lies in the quality of the English localization. Arc Rise Fantasia WII -Undub- ISO
Developer: Imageepoch
Publisher: Marvelous Entertainment (JP), Ignition Entertainment (NA)
Release Date: 2009 (JP), 2010 (NA)
Genre: Turn-based JRPG To understand the necessity of the undub patch