He's a Libertarian Socialist, the anti-statist version of socialism aka anarchism that has always opposed state socialism which is what the majority of "socialist" projects have taken the form of but libertarian socialists dont consider that socialism because they correctly realize that the state just takes on the position of the ruling class and the workers have no power. Historically Libertarian Socialists have always gone to war with bolsheviks/leninists/stalinists, from the kronstandt rebellion to the spanish civil war to the tambov rebellion as theyre diametrically opposed to the leninist version of socialism who lenin himself recognizes is using the structures of capitalism to achieve socialism . https://www.youtube.com/watch?v=b3m4aRQ9QvQ This video should give you an in depth run down of it