The feel-bad movie of the week is this belated sequel to the award-winning 2008 documentary Food Inc. That film told us that most of our food had become processed corporate junk that boosted “agribusiness” profits, ruined the planet and fuelled a worldwide public health crisis. Only by shifting to sustainable and locally sourced produce could we possibly hope to survive as a species. This one? The same, but worse. Because now, apparently, when we switch to the “healthy” option we’re still doomed.

This fast, punchy and eminently watchable polemic from the director Robert Kenner, with contributions from Fast Food Nation’s Eric Schlosser, carefully exposes the myths around “plant-based” meat alternatives and questions their alleged nutritional value. It investigates the exploitative employment practices in