I've had to call into a number of phone trees, and as far as I can tell, the entire phone tree process is designed to frustrate people away from support as much

I've had to call into a number of phone trees, and as far as I can tell, the entire phone tree process is designed to frustrate people away from support as much as possible. "Listen carefully as our options have changed" is something they can throw in to annoy you, waste more of your time, and discourage you from hitting the button you know will skip the dialogue.