That morality is system-sensitive escaped the attention of most codifiers of ethics in the past. "Thou shalt not ..." is the form of traditional ethical directives which make no allowance for particular circumstances. The laws of our society follow the pattern of ancient ethics, and therefore are poorly suited to governing a complex, crowded, changeable world.
"The Tragedy of the Commons", How To Legislate Temperance?
An idiot can inherit millions, and a trust fund can keep his estate intact. We must admit that our legal system of private property plus inheritance is unjust--but we put up with it because we are not convinced, at the moment, that anyone has invented a better system. The alternative of the commons is too horrifying to contemplate. Injustice is preferable to total ruin.
"The Tragedy of the Commons", Mutual Coercion Mutually Agreed upon