Think William Reece-Mogg, not Dick van Dyke.
FYI not sure about other countries, but Americans don't know who the fuck that is.
https://www.youtube.com/watch?v=X4uCHNaNbmU
https://youtu.be/t8zhp699FXg?t=110
Even more ironic is that My Fair Lady is an American film based on a play by an Irish Brit (George Bernard Shaw, Pygmalion).
Perhaps there truly is no such thing as proper English.
FYI not sure about other countries, but Americans don't know who the fuck that is.