If an encroaching driver is so foolish as to announce his intentions, then all the more reason to make sure that the foolish clown can't get in front of you. My turn signal is as superfluous as the ashtray in my automobile. About the only time I turn it on is when I'm checking to see if it still works. A writer must know his audience. He must be one with the times.
American culture is about clicking.
They click around. Two seconds of this. Ten seconds of that. If you grow up with the remote as an appendage of your body, you have no sense of narrative. No sense of structure.