What does it tell us that so many left-leaning individuals took to social media this week in order to celebrate the news that Boris Johnson has tested positive for coronavirus? Others stooped even lower and openly yearned for his death, complete with triumphal emojis and GIFs. It would simply never occur to most of us to revel in the illness of a fellow human creature simply on the grounds that he or she represents a political worldview that we find repellent.