That may be what you think is going on, but isn't necessarily true. They might have been forced out, or quit because of stress or interpersonal conflict. There is no 'because' in the former CEO's statement.
You inferred this motive, from the former CEO's plan. The CEO did not explicitly state that they were quitting because they wanted time and space to plan their future.
Natural language tends to assume the receiver of the message shares sufficient context with the emmiter as to be able to infer their communicative intention even if it lacks some key word, or logical stepping stone.