He means libertarians.
Here:
Free-market dogmatists have played a part in the deindustrialisation of the West as well. Consultants and investors pushed businesses to look offshore for virtually every critical production input. Between 2004 and 2017, the US share of world manufacturing shrank from 15 per cent to 10 per cent. Our reliance on Chinese inputs doubled. The trade deficit with China, according to the Economic Policy Institute, has cost as many as 3.7million American jobs since 2000. Overall, the US and the EU have seen their share of value-added manufacturing drop from 65 per cent in the 1960s to barely half that today.
