Gates now wants firms taxed on their AI use. Nobody has defined the base.

The ask is one clause long, and it does not say what it taxes. Gates wants companies taxed according to their use of AI ^[4]. Use is not a defined base. Compute purchased, model seats licensed, tokens billed, or headcount reduced against a baseline produce different revenue and different avoidance routes. Whichever is picked, the incidence points the same way: a levy on use is remitted by the buyer, not the seller, so the bank and the retailer pay while the lab's revenue line is untouched ^[20]. That is not a windfall tax on frontier developers. It is a consumption tax on adoption, and it is legible to a finance ministry precisely because use is invoiced.

The evidence does not yet fit the base either. The IMF's estimate that AI could affect nearly 40% of jobs globally and 60% in advanced economies is an exposure count, not a casualty count ^[14]. Stanford found no economy-wide displacement but a 19% employment gap for 22-to-25-year-olds in exposed occupations, arriving mostly through hiring that did not happen ^[15]. Yale's Budget Lab has not found a clear AI footprint in the labour market at all ^[16]. Gates concedes his warning is a forecast rather than a reading of today's topline employment data ^[17]. The one harm anybody has measured therefore sits at the entry level ^[18], and a tax on corporate AI consumption does nothing for a 23-year-old who was never hired. Wage subsidies and apprenticeship rules reach that person. A use tax reaches procurement.

The silence he complains about is also not uniform. Gates says he is "deafened by the silence" and in shock at being first to call this insane ^[3], while also saying Mustafa Suleyman privately holds the same view ^[10]; Brad Smith made the orthodox case in June that AI will displace some jobs even as it creates others ^[13]. Those two hold titles at the same company ^[19], so the largest AI vendor is carrying both readings and cannot bring one position to a hearing. Demis Hassabis has put forward something more specific than a memo: an industry-funded, federally overseen standards body modeled partly on FINRA, testing frontier models before release and able to coordinate a slowdown ^[11].

The durable part of Gates's argument is not the job count, it is the politics. He expects the reaction to disappearing jobs to make "the data center thing look like nothing" ^[9], and he says virtually all the fixes require governments to play a role ^[7]. On that reading, a use tax is a premium paid for the industry's licence to keep operating, which is why it could attract support from people who reject the labour forecast underneath it. The weakest part sits next door in the same interview: his claim that bioterrorism risk is now 50 times natural pandemic risk ^[8] arrives with no method attached and no second name behind it.