What hard policies would they be then? Labours manifesto at the last election seemed rather soft left to me and in line with a lot of other socialist parties in Europe. When Thatcher was elected in 1979, the UK seems to have adopted hard right policies, and any real attempt to change policies...
How about Yanis Veroufakis, then, a professor of economics and one of Corbyns advisors. a genius and one of the most literate and charismatic people one can imagine?