People may cook this often in Korea but usually this is special menu on national holidays which family get together such as Chuseok or New Year's day or parties. Galbizzim can be made in much shorter time when using electric rice pot or pressure cooker rather then using cauldron. Koreans like spicy food and galbizzim might be oily when eating but spicy taste can prevent this. 
The point of Galbizzim is ripping the meat with hands.

Some Koreans will make this dish frequently, but it is also a holiday special that people make for traditional holidays or parties when families get together. You can make Galbijjim faster using a press cooker rather than a regular pot. Koreans generally enjoy spicy food, and when Galbijiim is a bit spicy, it takes care of the greasy feeling that one can get after eating the dish for a while. Galbijjim is all about pulling off the meat while holding the bone with your fingers.

Although some Korean eat this food frequently, it is a special food that prepared for the special feast on occasion like Chuseok (Korean Thanksgiving) or New Year when the family comes together after a long time.
Rather than cooking the galbijjim (ribs stew) on the pot, you can make it within a short time by using a rice cooker or pressure cooker.
Korean people mostly like spicy food, and when you keep eating the ribs stew, you will feel greasy, so the spicy is good to remove the greasiness.
The point of ribs stew is pulling out the meats into your mouth while holding it with hands.