chapotraphouse

From what I remember it was the abolish ICE movement getting immediately brutally crushed by Democrats that seems to have been the clearest catalyst. Up until that moment he was buddy buddy with the establishment and apparently fervently believed that they were essentially good, and their open pivot to "no, actually we like the ethnic cleansing machine stop saying it should be dissolved" cracked that and the way they turned on him for opposing them on it did the rest.