Same person here as last comment, switched to my phone…as I was saying you will not reach him with reason. 1. There are two kinds of people in the world: Know it alls and Learn it alls. He is the first kind. You, a lifetime student, are the second kind. 2. People don't care how much you know until they know how much you care. This is a truism all through life. Live it. Love your friend - His worth is is much greater than his stupid opinions. He will only be changed by love.
He's not an @$$h01e, he's of great value to God. As are you. Look at him through God's eyes. With compassion. I understand it is not easy. But God put you in this man's path for a reason, even if you do not yet call yourself a believer. All the freaks I encountered in years of street ministry were fragile and wounded. This includes Anarchists and Satanists. Your friend is weak and wounded; the 'power' ideology is only for him protection and significance. He will quickly give it up when he sees the light of Christ. Seen it habben many times.
o7