就事论事, focus on the name only 什么是【美语世界】? 美式英语 or 英式英语? Google translate:
"What is 【American World】? American English or British English?"
In another word, it is not about English, it is about America.
It was my own observation, just for your reference.
Thank you for your meticulous reasoning on NCE4, which I could not say much as
I had zero knowledge of NCE4. I wanted to get my point across that neither against British nor pro-American English
I wrote this post, but I posted my question for the audience.