Criteria of constructive criticism: * Answers a tough sought-after question, that is: ** Already present in social conscience, or ** Can be reasonably deduced from commonly known facts. * Adds new information to the overall narrative. * Includes functional suggestions regarding methods, whose goals are recognized and problematic traits are listed. ** Problematic traits are fixed with tweaks applied to existing method(s), or ** New methods achieving the same goals are suggested, which do not have those problematic traits.