Pharmaceutical companies might think it a bit rich being asked to waive the patents on their Covid vaccines by Harry and Meghan, a couple who have rejected the concept of public service in an attempt to monetise their royal status. But let’s overlook the charge of hypocrisy and ask whether there really is any substance to Harry and Meghan’s charge that ‘ultra-wealthy’ pharmaceutical companies are holding up the vaccination of the developing world by refusing to surrender their intellectual property.