def configure_all_loggers_for_colour(remove_existing: bool = True) -> None:
    """
    Applies a preconfigured datetime/colour scheme to ALL logger.

    Should ONLY be called from the ``if __name__ == 'main'`` script;
    see https://docs.python.org/3.4/howto/logging.html#library-config.

    Generally MORE SENSIBLE just to apply a handler to the root logger.

    Args:
        remove_existing: remove existing handlers from logger first?

    """
    handler = get_colour_handler()
    apply_handler_to_all_logs(handler, remove_existing=remove_existing)