Site claiming South Korea's military power is 5th in the world states data is for entertainment purposes

[Exclusive] The site claiming “South Korea's military power is 5th in the world”... “Data provided for entertainment purposes” Chosun Ilbo A private website, GFP, which ranks South Korea's military strength, has raised controversy regarding its credibility by stating that its data is provided for entertainment purposes. The site has received low evaluations from experts due to its opaque calculation methods and the exclusion of nuclear weapons and alliance effects.
Its reliability is lower than Wikipedia.