#3. Masks matter, but not for the reason you think. ….only our innate tribalism can turn mask-wearing from a simple, promising precaution into the dividing line between saintly and the damned. Cabinet ministers have boasted about removing their masks as soon as possible, which feels like boasting about farting in a lift: it might be a relief but it’s a strange thing to advertise. Once one realises that this is about signalling tribal loyalty, it makes more sense.