THE FIRST JAPANESE TEACHER AT ETON INSTRUCTED THE CLASS TO ANSWER YES TO HIM IN JAPANESE HAI

https://www.youtube.com/watch?v=r75ajf6UEhU

See the video above at the 15 minute mark.
Rather analogous to how the Suzuki string method took over here, with disastrous consequences.

The Suzuki method queered Western music education and pedagoguy.