Along with his journalistic activity, he adapted socially critical material for radio and television. His controversial radio play about the senseless defense of Fortress Brest in France by the "" toward the end of the war earned him the accusation of slander by the responsible general Hermann-Bernhard Ramcke. Kuby had taken part as a soldier in the destruction of Brest in 1944. In 1959 the charge was dismissed by the courts.