I think that was clearly obtainable in principle, or at least asymptotically attainable.
An unattainable utopia might include anacapitalists who want to replace any kind of government or governance with an expansion of capitalism, and don't see inherent problems with that.
An unattainable utopia might include anacapitalists who want to replace any kind of government or governance with an expansion of capitalism, and don't see inherent problems with that.