It’s insane to mandate the specific vendor used. This reads like a backroom deal was reached. Or gross incompetence.
They are fully aware that website operators of popular discussion forums cannot afford it. This is effectively a mass censorship/takedown of Korea's remaining corners of free speech.
Imagine if a subreddit had to shut down because they have to now purchase expensive hardware just to vet each image shared.
These forums are popular with the young who share meme images of the current president of Korea and this new ordinance would immediately put an end to that.
Gross not giving a damn
South Korea has history, for years their banking applications required ActiveX: https://en.wikipedia.org/wiki/Web_compatibility_issues_in_So...