the only sentence in Korea where malicious comments are allowed

(1)Dokdo Is innocent of malicious comments on Japanese soil
(2)The Seoul Central District Prosecutors’ Office said it has not indicted more than 1,000 netizens who commented criticizing Kim Wan-seop’s Internet column to return Dokdo to Japan
(3)A prosecution official said, “We judged that netizens are not guilty under Article 20 of the Criminal Code, which states that they can apply insults to malicious comments on Kim’s writings, but do not punish acts that do not violate social norms.”