Gaia is not Loghrif, the Eden questline was all about that point. Gaia has the soul of Loghrif but she's her own person with her own wants and wishes and actions.
Fordola is still being punished. The Ala Mhigans outright said "I thank you for saving us, but I don't forgive you for for hunting us." And she herself is undergoing a redemption arc of feeling exactly how she hurt others and the grief she put them through. So, uh, congrats? The game and Fordola herself agree with you.
Estinien has been getting a crap-ton of character development and the people he needs to make ammends to (the dragons, and the WoL) he turned to defend them instead, so really he's a whole separate case.