Nvidia CEO Jensen Huang is making a calculated bet that might surprise the tech world - embracing open-source AI not as a gift to developers, but as a survival strategy. According to a new CNBC column, the GPU giant's shift toward openness signals something deeper: the company's traditional hardware moat is under siege, and Huang knows it. The move marks a pivotal moment for the $2 trillion chip maker as competitors circle and customers grow restless.