Hard facts and the personal and social psychology and psychiatric subject matters to be interpreted and opened up the moral ethics, manners, thoughts, visions, needs and the previous deeds and capacities of each political candidate deeply by independent experts in front of the people after each debate, and/or their public presentations, while it is fresh.
Not to forget the historic efforts of Mazdak and his followers struggle to extend this as a new social custom made governance policy.
The modern social sense of such a moral custom extends to the election of President as well as the city and village council members.
An example for not having a systematic environmental approach to be outlined by predictive analytics algorithms, was destroying the opium poppy. There is a specific natural and agricultural history just for the opium poppy in Iranian plateau. We have destroyed a very important controlling specie that used to be the natural desertification element.
Did we sacrificed our environment for the greater good of the world? What did we get instead? The animals food chain disruption, the loss of the controlling element of natural dust storms and other intangible effects.