In the long arc of industrial transformation, few moments are as clarifying — or as perilous — as when a company burns its bridges to cross into new territory. Tesla, the enterprise that willed the electric vehicle into mainstream existence, has now committed $25 billion in a single year to manufacturing Optimus, its humanoid robot, converting the very production lines that built its fortune into something the market has never been asked to absorb before. This is not diversification; it is a declaration, made in Elon Musk's characteristic all-or-nothing register, that the next chapter of human