I was once in a meeting with a total of four people (including myself) where the other three people were all talking at once. I felt embarrassed for all of them

I was once in a meeting with a total of four people (including myself) where the other three people were all talking at once. I felt embarrassed for all of them but they just ploughed ahead for a while. So strange... I don't understand how people operate this way. Thank you so much for posting this.