Ok, let me give it to you straight.
Most, if not all, Korean food, is born out of necessity. Korea for 99 percent of its existence, was a poor poor country. Not much food to go around. So a lot of Korean food, the so called delicacies of today, were born out of necessity. Kim Chi? A way of perserving food and making it through the winter. Boshintang? Dude, the dog is around, we're starving, let's eat the mother fucker.
"Bean Sprout Rice" is considered a tasty morsel today, but that *&^% was born out of necessity too.
The real expensive stuff, like the Kal Bis, and all that beef, was really reserved for the kings and *&^% of Korea