A crucial aspect of this story is that government employees are a coveted job in Korea, with a good benefits and salary and a healthy pension.
There are separate tests that people have to take in order to apply for gov jobs, and the competition rate is usually very high for all of them, clerical, skill-based, or not - from 40:1 to more often 200:1 of an apply/acceptance ratio.
This generally means that the level of skill and aptitude you encounter is very high; the amount of social morale is high also, since a government job is a respected, very healthy middle-class job.
There are separate tests that people have to take in order to apply for gov jobs, and the competition rate is usually very high for all of them, clerical, skill-based, or not - from 40:1 to more often 200:1 of an apply/acceptance ratio.
This generally means that the level of skill and aptitude you encounter is very high; the amount of social morale is high also, since a government job is a respected, very healthy middle-class job.