Which AI infrastructure option actually holds a boundary?

EVENT: Every sovereign AI architecture is a trade, and the currency changes with the option: capital, capability, elasticity, or the fine print about who operates it. The cost you notice last is usually the one that decides whether the pilot ever becomes production. Nobody chooses badly on purpose. They choose with the information available at the planning stage, and the costs that matter most, in capability and in operations, tend to show up later. Which is why the honest comparison is hard to