The "useful" lesson here is psychological. We all build internal Walls—comfort zones, denial systems, prejudices—to protect ourselves from painful realities. We tell ourselves, “I’m fine,” or “They are the enemy,” or “This is just how the world works.” But as the Colossal Titan kicked a hole in Wall Maria, it revealed a brutal fact:
This is the most useful moment in the story. Marley turned Eldians into Titans because they saw them as less than human. Paradis killed Marleyan soldiers because they saw them as invaders. But when you realize your enemy cries, laughs, and fears death just like you—the war becomes a tragedy, not a crusade. Attack on Titan -Shingeki no Kyojin- Complete -...
But the wise Commander Erwin Smith knew a secret: The "useful" lesson here is psychological
Don’t become the Titan. Become the one who says, “He is not my enemy. He is also trapped.” Marley turned Eldians into Titans because they saw
For years, the people of Paradis fought with righteous fury. They believed Titans were mindless monsters. Then came the gut-wrenching reveal: Titans were once human—specifically, their own people from a lost faction, turned into weapons by the mainland nation of Marley.
The usefulness of Attack on Titan is this:
Young Eren Yeager lived in a world of comfortable lies. The people of Paradis Island believed they were the last remnants of humanity, caged inside three enormous Walls—Maria, Rose, and Sheena. They called the man-eating Titans outside a natural disaster.