But its ability to selectively document or revise history is not something unique to NK.
History is your friend. When NK was created, US still had segregation going on. Then selective neutering of population and general bio/chem/atomic weapon testing its and canada's citizens done in the name of NATIONAL SECURITY. To this day, we still have to get justice for these acts. We live in a cocoon, but we pissed off many people building our empire, everything have a price, someday.
Which is a blatant violation of the first amendment.
You can browse to see post under certain threshold. Don't get your panties in a bunch because you fail at browsing.