Okay so why do most people thing Puppet hat the hardest life?

charlie died when she was THREE years old. her whole life got literally stolen from her. she was forced to take the role of this "savior"-like figure, when in reality she probably didn't even know what she was doing most of the time

Reiner was forced to devote his life from childhood, to genocide. He destroyed cities and murdered families as a traumatized child, just to make his family and his country proud of him.