Take on the bathroom signs in Japan

Every bathroom in Japan has a photo of exactly how you need to wash your hands. In the US you might see this in a restaurant for workers or in a kindergarten but in Japan these guidelines are for everybody and you kind of have to appreciate the level of commitment to cleanliness.

 I'm wondering if they did a nationwide study and found that Japanese dudes were not adequately washing after taking a dump or if this was more precautionary but in a country where there is no physical interaction, the paranoia might be overkill. You literally don't touch anybod here, nobody hugs, nobody shakes hands and nobody high fives, the only true interaction is probably in the massage places and your hands are probably the least of your worries there. The rest of it is like a completely virtual existence.