I don't think I disagree with what you have mentioned and pg has concluded. My point was, it is possible to find a dataset where the audience actually doesn't need to stop the speaker because they can tune in to the way english is spoken.
I see this happen all the time here at startups in Bangalore. Of course if the audience is YC and the investors, it goes without saying what the language requirement is.
Indira Nooyi (Pepsico, CEO and one amongst that cnn list) articulates it perfectly in this video: