"Accelerationism" is undoubtedly a mechanistic and, in some sense, hyper-libertarian ideology. Calling it fascist muddles the waters a bit. Some of the most defining features of fascism are 1) return to a mythical past, 2) politics of enemies/might makes right, 3) relatively uninterested attitude to the forms of economic life (i.e., "we're ok with anything that keeps us in power"). So, I wonder if we should classify it as ideologically authoritarian, similar in style (as you pointed out) to Marxism or scientism, still working in the same ideological stream as the scientific Enlightenment progressivism. There are many ways to be authoritarian rather than fascist.
"Accelerationism" is undoubtedly a mechanistic and, in some sense, hyper-libertarian ideology. Calling it fascist muddles the waters a bit. Some of the most defining features of fascism are 1) return to a mythical past, 2) politics of enemies/might makes right, 3) relatively uninterested attitude to the forms of economic life (i.e., "we're ok with anything that keeps us in power"). So, I wonder if we should classify it as ideologically authoritarian, similar in style (as you pointed out) to Marxism or scientism, still working in the same ideological stream as the scientific Enlightenment progressivism. There are many ways to be authoritarian rather than fascist.