The Best Operating Systems for Anonymity

David Balaban says, "There are plenty of operating systems aimed at achieving online anonymity. But how many of them are really good?" He highlights five candidates: Tails OS, Whonix, Kodachi, Qubes, and Subgraph. He concludes that Kodachi is the best OS to preserve anonymity. Have any OSNews readers evaluated any of these OSes? Do you agree with his conclusion?