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Keynes' views were widely mis-represented by his disciples, notably Joan Robinson, who was well to the left of him.
Keynes was actually "orthodox" in many ways. With his emphasis on "money," he was actually closer to Milton Friedman than to the "Keynesian" doctrine he is associated with.
Where he differed from "orthodoxy" was in promoting deficit-financed pump-priming policies "this one time," (the Great Depression). His more liberal disciples, like Robinson, preached that such policies should be followed "all the time" because they believed in government spending. Some of them were actually "Fabian" Socialists.