No, I don't think so. Because social relationships extremely stiffen in Korea. There are a lot of rules between the old and the young. The age gap really matters in Korea. Even though there is one year gap = there is only one year gap between two persons = two people, it chages = changes all manners-for example, the language the younger one uses and the person who need to pay the dinner they eat together = person who needs to pay the dinner when they eat together.
I don't think it's rational. This tradition makes social relationships harder in Korea.