LOL, cope harder nazis. Hence why most people on this forum refers to Washington D.C. as Pistcaway.
Peking is like a proper English word.
Same with Canton, and Cantonese. These are English nouns.
People who use the words Canton and Cantonese or Mandarin instead of putonghua in English, may interchange them without even thinking about it.
People who still use the noun Peking on a regular basis, they have the right to do so, but they sound like an old fart that does not realize time has passed them by. Peking the word in English is probably like 200 years old.
If someone wants to use the noun Peking and sound like a living fossil, then they will have the right to sound like a living fossil.
Words come and go in English language usage.
The word pedantic, we tend not to see much of anymore. I like it. We probably don't see it much now due to the damn snowflakes and their safe houses.
That's the vocabulary they like.
That's why they raised the snowflake in the opening ceremonies to the 2022 Winter Olympics in Beijing. It was like, snowflakes of the world, unite!