The BBC letting slip why social cohesion is better in Japan than in Europe and other Western countries

In a BBC articleabout Japanese autumnal oddities, comes this paragraph:

'It's often been said that Japan operates via strict social norms to achieve its remarkable social cohesion and that this is largely responsible for making Japan such a pleasant place to live. There are no bins at the beaches, nor on the streets. By and large, Japanese people take their rubbish home with them. Just one example of the positive benefits of this cohesion.'

That and very limited third world immigration...