You dig what they did, so boom! they're magically a, "progressive".
Margaret Sanger was a progressive. He gave us the Negro Project, which purported the genocide of blacks. FDR was a progressive, who gave us the American concentration camps. Jim Jones was a progressive and he gave us Jonestown.
No, in reality, the history of the political Left Wing is so terrible and embarrassing, that ya'll try to latch onto anything that will shine a better light on it.