I agree with you if that means anything to you. The fact that drug problems in a country like Japan are far diminished relative to a country like the US means, in my mind, that the culture should attempt to maintain that purity, which can only be reasonably done by preventing people from partaking.

Take fast food for instance. The Americanization of the Japanese diet is leading to increased obesity in what used to be a very healthy society. It is the mere exposure of these addictive foods that has lead to this. Honestly, it makes me a bit sad.