More than 200 economists and AI researchers, including 16 Nobel laureates, signed an open letter released Monday warning that institutions "must act now" to steer artificial intelligence before it puts many people out of work, AP reported from San Francisco [1]. Stanford University's digital economy lab organized the statement, and its signatories included executives at Anthropic, Google and OpenAI.

The letter runs four sentences. It says AI "may become radically more powerful over the next 10 years," driving a transformation "larger than the Industrial Revolution, but unfolding over a vastly shorter time frame," and it asks leaders to "build the incentives, guardrails, and institutions needed to steer AI in a direction that complements humans and benefits society" [1].

That is the whole instrument. The letter names no legislation, no regulator, no funding mechanism, no enforcement authority and no timetable. Yoshua Bengio, the Montreal computer scientist among the signatories, went further in a separate statement, urging "collective, democratic choices, rather than letting market forces play out and risking leaving most citizens behind" [1] -- a preference, not a program.

The gap matters to a reader deciding whether anything has changed. A social feed can convert 16 Nobel signatures and three frontier-lab logos into proof that a guardrail regime is arriving. AP's account shows the opposite: a consensus on urgency and an empty box where the mechanism belongs. What guardrail, built by whom, enforced how -- none of that exists yet.

-- HENDRIK VAN DER BERG, Brussels