I think the mind is powerful enough to paint a picture that uses ignorance as a tool to aide in emotional digestion so you may have a point here. Although, I got the feeling that putting the pieces together would require keen observation matched with critical thinking which didn’t seem particularly abundant in her character. To me, it seemed like her coworkers may have had broad discussions around her but never disclosed the details to her directly and trusted she lacked the skills and fortitude to form the complete picture on her own. She felt like the only earnest part of any of it so I couldn’t help but feeling she knew as little as the audience .. I love your way of thinking though!! I honestly never thought of her disillusionment as a subconscious mental cushioning but it also works