Somebody tried to explain to me that East Asians "roleplay" their parts social hierarchies. It's the job of the boss to patronize and it's the job of the workers to play their role. Officially everything is strict and proper, but in reality there are many accepted ways to break the rules without causing undue fuss. There are lazy workers in Japan and Korea like everywhere else. It's the job of the boss to yell at them like he is really angry, but workers know that their job security and place in the organization is secure if they do the minimum (compared to the same situation in US).