From what I've read from people with relevant experience, the only way to get a large organization change direction is to issue imperative decrees lacking nuance, because large organization by nature tend to be process heavy and are too incompetent to follow a nuanced direction.
If you have tens of thousands of employees the more complicated the communication is, the larger the variation of interpretation of its meaning, I suppose
If you have tens of thousands of employees the more complicated the communication is, the larger the variation of interpretation of its meaning, I suppose