When we worked in East Africa, I remember chuckling for ages at a newspaper advert for a regional African airline. Their strapline proudly declared, “We take you all the way”. This was what they touted as their unique selling point, because other airlines, presumably, expect passengers to leave the plane before the end of the flight. It is not a particularly encouraging thought. I would hope that getting me to my ticketed destination was the least they could do for me. But it