A monopoly forcing its customers to pay is evil. I find a voluntarist government possible. Without the internet, I doubt voluntarist governments could ever be bigger than a small town. Decentralized Autonomous Organizations have made voluntary government entirely plausible. Just because most all authority is illegitimate in your eyes, does not mean legitimate authority over a plot of land is impossible.

Government is not evil, authority is not equivalent to evil. The root cause is a layer deeper. Evil is the widespread belief that violence solves systemic problems. Instead, violence causes victims to inauthentically pretend to obey just to avoid pain, and does not increase honesty, love or compassion. It does not matter if you are spanking your kid or trying to genocide everyone with a certain belief, violence always makes the root cause of a problem worse in the long run. Every spank, every bomb creates more rebels.