That is the question posed frequently to those that favor liberty and limited government. A simple and effective rebuttal to the question:
Frank Chodorov was giving a talk many decades ago. Chodorov was being very critical of government welfare programs in general, and was asked by a listener: “But what will happen to sick, elderly people?” Chodorov replied: “They’ll be left to die in the streets the way they used to.” The listener retorted: “When did that ever take place?,” to which Chodorov answered: “Exactly.”