What turned me to the left wasn't Bernie per se, but how the DNC was exposed to be cheating in Hil's favor and how the Wikileaks report that exposed it was buried by the media.
There was a clear party interest in opposing leftward movement, and a clear media collusion in that.
He was at least an politician I had some respect for. I'd already lost all respect for him because of his groveling for Biden and finding out that he voted in favor of bombing Serbia, but his neocon and Israel lover arc has made me give me strength to comrade heart attack.