Known community practices (high-level)
In the past, ROMs (read-only memory) have been used to distribute pirated copies of games, including Mario Kart titles. However, with the release of the Booster Course Pass, Nintendo is making it clear that it will not tolerate piracy and is committed to providing fans with a legitimate way to access new content.
The "exclusive" nature of the ROM experience centered on version compatibility.
This transforms the Booster Course Pass into a —a rare status in modern gaming.