Producers need to address the fact that Kiera's future isn't going to happen. time travellers changed far too much for that to be a viable outcome. No matter what Alex does things beyond his control will affect things down the line. First Elena changed things by marrying somebody. He didn't marry somebody else and had this set of children instead of different one. Liber8 killed people. They influenced groups. Which is another set of changes down the line. Only way to restore Kiera's 2077 is to go back and kill every time traveller as they show up, dispose of their bodies and then time traveller swims toward the open ocean to drown.
Kiera is not a nice person. She knows what kind of government she serves/served/will serve in 2077. Government that spies on every aspect of people's lives, government that indiscriminately fires on populated areas (see frequent use of unguided missiles and bombs in cities), corporations that withold food from the people, microchips that turn people into robots.... and yet despite all that she serves that governemnt willingly and eagerly. In the end she is no different than NKVD or Gestapo agents who were happy to send people into camps because they disagreed with government. She may be a caring mother and loving wife but the fact she is helping opressive regime overshadows that.