In US or China, firms need AI they can independently verify and trust

When the Magnificent Seven, America’s top tech companies, shed more than US$1 trillion in a single trading session, the usual question returned: is artificial intelligence (AI) a bubble? Yet as global headlines are transfixed by the personal and governance crises shaking Silicon Valley’s titan icons, that debate is already stale.

Separate technology from stock prices and a harder truth emerges: multitrillion-dollar empires cannot merely survive on founder mythology and self-policing. The public...