According to FIVB, she was regarded as the best volleyball player in the world by multiple journalists and coaches alike. One of the journalists asked Kim's opinion on who she considered second best after herself, who is "considered the best attacker in the world." At London 2012, she continued her ground-breaking performance. During the game against Serbia, Kim scored 34 points single-handedly, while her teammates scored 36 points in total. Zoran Terzić reflected that the team had "a lot of problems to make blocks and defend against her," who is "one of the best players in the world, no doubts about it."