Laughing and scolding are all articles
[interpretation] it means that no matter what the subject matter or form is, it will become a wonderful article if it is brought into full play.
[source] song · Huang Tingjian's "Mr. Dongpo's true praise" is one of three poems: "Dongpo's wine, Chibi's Flute, laughing and scolding, all become articles."
source
Huang Tingjian, Song Dynasty, wrote one of the three songs of "Mr. Dongpo's true praise": "Dongpo's wine, Chibi's Flute, laughing and scolding are all articles."
Examples
Dongpo ~; but when it comes to language, words should not be harmful to meaning. Yuan Mei's Sui Yuan Shi Hua (Volume 7)
Laughing and scolding are all articles
Therefore, it is not a literary fault - suí fēi wén guò