AFAIK it is part of some legal requirement, and the political inertia is against change in this case. Imagine yourself as a hypothetical japanese politician/law

AFAIK it is part of some legal requirement, and the political inertia is against change in this case. Imagine yourself as a hypothetical japanese politician/lawmaker. You most likely don't want to be know as "that guy who fought for uncensoring private parts in adult media".