Because the author did not really study the so called social credit system, instead they just quote everything from wikipedia without double checking the facts.
Korea's hangul is pretty neat. As the linguist Geoffrey Pullum says, English has the spelling system that positively stinks, but the Chinese/Japanese writing system is a whole nother level.
I am a fan of the Mayday(Air Crash Investigation) tv series, you can always find eyewitnesses report smoke and fire in any air cash despite the real cause.