Redistribution is not ethical; it’s theft and destruction. It is simply a means to satisfy the envy of some who seek to harm those who have obtained greater wealth through the satisfaction of the wants of consumers.
Because enforced contract law and full property rights are the foundations of freedom, governance systems should be based on enforceable contracts that defend property rights.
Under a draft, if you refuse to fight, you may end up reviled as a coward, and also in prison. To voluntarily submit to this requires a lot of courage.