: His leadership was punctuated by high-profile disputes, most notably the mid-tournament departure of goalkeeper André Onana during the 2022 World Cup.

Song's period as manager (March 2022 – February 2024) was defined by several critical challenges:

: He frequently faced backlash for "tactical lapses" and an perceived inability to beat lower-ranked opponents, such as Namibia during AFCON 2023 qualification.

: Song recorded one of the lowest win rates for a permanent Cameroon manager, managing only 4 wins in his first 17 games.