Rhyu Si-min's Miraculous Calculation Method

He said that even though Moon Jae-in's approval rating is only 5%, since he is Roh Moo-hyun's friend, if you add Roh Moo-hyun's approval rating, it becomes 45%.
Rhyu Si-min is a true sage and intellectual; he is demonstrating exactly what he once said about brains rotting from the age of 60 through behavior like that.