1、 2004-2016: A period of highly commercial rationality for Musk At that time, Musk was a complex of "engineer thinking+business rationality". Radical but calm, crazy but not blind. 2、 2017-2020: Business rationality still exists, but begins to show a trend of 'faith reinforcement' After the Model 3 production hell broke out, Musk managed to survive by controlling cash flow and financing capabilities, and his business resilience remained outstanding; • Start envisioning fully autonomous driving, Mars immigration, and brain computer interfaces - but these are more like 'long-term narratives' and do not immediately consume company resources; At this stage, he is still creating huge value for shareholders, and the surge in Tesla's stock price is also based on the gradual realization of delivery capabilities and profits. 3、 2021 present: Rationality gradually gives way to "personal sense of mission" and emotional impulses After 2021, Musk's wealth expanded and he became the world's richest man, while his influence exploded; Promote Dogecoin, aggressively buy Bitcoin, attack regulatory agencies, openly confront the Democratic Party - commercial rationality is beginning to weaken; The acquisition of Twitter marks a significant turning point: this deal is extremely unprofitable, but it is all due to his obsession with freedom of speech; In 2023-2024, there will be repeated emphasis on robots FSD、AI、 Politics has largely abandoned discussions on profit models and user experience.