Questions 1 If Lord Denning finds parasitic damages so offensive, why does he allow the plaintiff in Jackson v Horizon Holidays (below, p 220) to recover them? 2 Is this reasoning through painting a picture? 3 Is Lord Denning proposing a reason or putting forward an argument? 4 Read MG Duncan, In slime and darkness (1994) 68 Tulane LR 725. Are
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Viscount Simon:… No one, I think, would approve a situation in which when the person arrested asked for the reason, the policeman replied ‘that has nothing to do with you: come along with me’. Such a situation may be tolerated under other systems of law, as for instance in the time of lettres de cachet in the 18th century in France, or in more recent days when the Gestapo swept people off to confinement under an over-riding authority which the executive in this country happily does not in ordinary times possess. This would be quite contrary to our conceptions of individual liberty…

Parry v Cleaver [1970] AC 1 House of Lords

Lord Reid:… It would be revolting to the ordinary man’s sense of justice, and therefore contrary to public policy, that the sufferer should have his damages reduced so that he would gain nothing from the benevolence of his friends or relations or of the public at large, and that the only gainer would be the wrongdoer.