The two companies' fortunes have since diverged. While Unilever shares have trodden water under Polman's successor, Alan Jope, Kraft Heinz stock has collapsed by two-thirds. Ketchup and processed cheese have fallen out of favour with increasingly health-conscious consumers, and Kraft Heinz has been rocked by big write-downs and a false accounting scandal. Sympathy from Polman is in short supply. "They've destroyed the economy, they've destroyed jobs for people, they've under-invested in R&D, they've destroyed our natural habitat by discharging these negative externalities," he says. "You find them at the bottom of any ranking — sustainability, human rights.