Like they did to Corbyn. Classically, antisemitism was the socialism of fools. Now, Zionists seem to identify socialism as a (ok, Imma improvise here!) a crypto-politic, covertly retconned to revile, er, um, Jewish people everywhere! Marx as anachronistic quisling, or something like that...

If I didn't know any better, it sounds like you're trying to suggest that a person explicitly targeting liberals and leftists was motivated to do this by liberal and/or left politics. You are funny.

Anti-american, tho?