Blames Internal "Miscommunication"
At last Friday's Namco Bandai UK event, the issue of 3DS perma-saves was the elephant in the room. The PR reps scrambled to explain the recently-reported permanent high scores for Pac-Man & Galaga Dimensions as providing "arcade authenticity" rather than a cynical, lazy pre-owned deterrent. As it turns out, they needn't have bothered.
Namco Bandai has confirmed that save files can be deleted and reset by holding ABXYLR when booting up the game - and that the previous announcements were a "miscommunication" within company ranks.
Thank goodness for that, really.