"That works in relationships, but not in a society of millions"
The objection: persuasion works with your spouse because you share a life, a history, and an interest in the relationship continuing. Strangers share none of that. Scale up to a country and you have millions of people with genuinely competing interests and no reason to accommodate each other. Something has to settle the question, and at that scale the only thing that can is a rule that binds everyone.
The response is that voluntary cooperation between strangers is not hypothetical — it is most of what you did today. You ate food grown by people you will never meet, using money accepted by people with no way to verify you, delivered through supply chains nobody designed and no one commands. Language, markets, scientific literature, the protocols the internet runs on: none of these were imposed, and all of them coordinate strangers at a scale no legislature could manage.
The objection's premise is wrong. Strangers do not cooperate because they trust each other; they cooperate because each gains from the exchange, and because reputation, repeat dealing, contracts, arbitration, brands, ratings, and escrow make honesty pay whether anyone trusts anyone or not. That is the reason to accommodate a stranger, and it is sturdier than affection. Passing a law is not a faster route to the same result. It produces compliance, not cooperation, and it settles the question by having one group compel the other, at a cost borne by whoever lost the vote. Trust is built by cooperating. It is eroded by coercing.
"People are suffering right now. They cannot wait for voluntary action"
The objection: a child is hungry today. Someone is dying of a treatable illness today. They cannot wait for enough strangers to be persuaded to help. Compulsory funding produces a guaranteed response. Hopeful cooperation produces a maybe. When the stakes are a human life, a maybe is not good enough.
The response is that the guarantee does not exist now. Compulsory systems have waitlists, eligibility cliffs, backlogs, and budgets captured by whoever administers them. Help arrives late or not at all, and the person it fails has nowhere else to turn, because the system that failed them also took the money they might have given elsewhere. That is the record. Meanwhile the fraternal and mutual-aid societies that insured millions of working people against sickness and unemployment before the welfare state were not replaced because they failed; they were crowded out. And voluntary disaster response still reaches people before the official one does, because it is not waiting for authorization.
What takes time is the transition. Norms and institutions grow rather than appear, and the principle promises the conditions under which help is chosen and answerable, not a guarantee of outcomes. But the comparison was never a voluntary maybe against a compulsory certainty. It is casualties against casualties, and only one system lets the people being failed go elsewhere.
"Force built the stability that made your flourishing possible"
The objection: the good period of your life did not happen in a vacuum. It happened inside a society with enforceable contracts, courts, roads, police, and public health — all funded through compulsory taxation. The safety and opportunity you are crediting to voluntary cooperation were underwritten by exactly the coercion this philosophy objects to. You are standing on something and arguing it should not exist.
The response is that this argument cannot tell what a system caused from what it merely coexisted with. Courts and roads are valuable. But the merchant law used across medieval Europe was written by merchants and enforced by exclusion from the next fair, centuries before any state adopted it, and most commercial disputes today are still settled by private arbitration the parties chose. Compulsory funding was not the only route to these things. It was the route that arrived later and claimed the credit.
Where voluntary provision looks small today, ask why. Private turnpike companies built and ran roads before governments took them over. The fraternal societies that insured millions were taxed to pay for the compulsory version and then displaced by it. An institution that has been banned, taxed to fund its rival, or crowded out has not failed. It has been removed, and its absence is evidence of the removal, not of impossibility.
"Without enforcement, the powerful will exploit the weak"
The objection: history is unambiguous. When centralized authority weakens, the vacuum fills — with warlords, monopolists, feudal lords, slaveholders. Government force is a blunt instrument, but it is the best thing humanity has built for stopping stronger people from preying on weaker ones. Remove it and you do not get voluntary cooperation. You get a different and worse force.
The response starts with what the philosophy does not say. Its principle is a commitment not to initiate violence or take anyone's property or time by force or fraud. Stopping a predator initiates nothing, so defending the weak is not what it rules out. Concentrating coercive power in a single institution does not remove the risk that the powerful exploit the weak; it centralizes the prize. The apparatus of legal force, once built, is available to whoever wins control of it, and in the twentieth century governments killed far more of their own people than private criminals did.
A business that behaves badly loses the customers who walk away. An institution that may initiate force and falls into the wrong hands can reach everyone.
Notice, too, who the objection's villains were. Slavery was written into statute, and runaways were returned by court order. Feudal lords and warlords were not the vacuum left when government weakened; they were the government of their day. Lasting monopolies rest on privileges the state granted. The predator the weak have most needed protecting from has usually held the license to coerce, which is why the principle counts the cost of force whoever carries it out, and does not exempt the state.
What is left
Each objection assumes force is the safe choice and voluntary order the gamble. The record runs the other way. When a voluntary institution fails, the people it failed leave, and it dies. When force fails, its costs land on people who could not leave, arrive later, and are counted by nobody. That is not the safer bet. It is the one whose losses are hidden.