The term "most brainwashed" can be replaced with various synonyms such as "heavily indoctrinated", "deeply programmed", or "highly manipulated". These words encompass the idea of being thoroughly influenced or controlled by external forces, leading to a lack of critical thinking and an inability to consider alternative viewpoints. Other relevant terms include "zealously devoted" or "fanatically loyal", which highlight the intensity and unwavering nature of this type of mindset. Ultimately, using a variety of synonyms can help to clarify the degree and nature of brainwashing, and shed light on the challenges faced by individuals trying to break free from such influences.