While high capex is often seen as a negative, for giants like Alphabet and Microsoft, it functions as a powerful moat in the AI race. The sheer scale of spending—tens of billions annually—is something most companies cannot afford, effectively limiting the field of viable competitors.

The AI race has been a prisoner's dilemma where companies spend massively, fearing competitors will pull ahead. As the cost of next-gen systems like Blackwell and Rubin becomes astronomical, the sheer economics will force a shift. Decision-making will be dominated by ROI calculations rather than the existential dread of slowing down.

The current AI spending spree by tech giants is historically reminiscent of the railroad and fiber-optic bubbles. These eras saw massive, redundant capital investment based on technological promise, which ultimately led to a crash when it became clear customers weren't willing to pay for the resulting products.

The development of AI won't stop because of game theory. For competing nations like the US and China, the risk of falling behind is greater than the collective risk of developing the technology. This dynamic makes the AI race an unstoppable force, mirroring the Cold War nuclear arms race and rendering calls for a pause futile.

Major tech companies view the AI race as a life-or-death struggle. This 'existential crisis' mindset explains their willingness to spend astronomical sums on infrastructure, prioritizing survival over short-term profitability. Their spending is a defensive moat-building exercise, not just a rational pursuit of new revenue.

As the current low-cost producer of AI tokens via its custom TPUs, Google's rational strategy is to operate at low or even negative margins. This "sucks the economic oxygen out of the AI ecosystem," making it difficult for capital-dependent competitors to justify their high costs and raise new funding rounds.

The enormous financial losses reported by AI leaders like OpenAI are not typical startup burn rates. They reflect a belief that the ultimate prize is an "Oracle or Genie," an outcome so transformative that the investment becomes an all-or-nothing, existential bet for tech giants.

Leaders from NVIDIA, OpenAI, and Microsoft are mutually dependent as customers, suppliers, and investors. This creates a powerful, self-reinforcing growth loop that props up the entire AI sector, making it look like a "white elephant gift-giving party" where everyone is invested in each other's success.

Companies are spending unsustainable amounts on AI compute, not because the ROI is clear, but as a form of Pascal's Wager. The potential reward of leading in AGI is seen as infinite, while the cost of not participating is catastrophic, justifying massive, otherwise irrational expenditures.