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.

Tech giants like Google and Microsoft are spending billions on AI not just for ROI, but because failing to do so means being locked out of future leadership. The motivation is to maintain their 'Mag 7' status, which is an existential necessity rather than a purely economic calculation.

Major tech companies are locked in a massive spending war on AI infrastructure and talent. This isn't because they know how they'll achieve ROI; it's because they know the surest way to lose is to stop spending and fall behind their competitors.

In the race to monetize AI chat, Google's advantage isn't just its AI. It's the pre-existing, global advertising platform. While OpenAI has to build an ad business from zero, Google can instantly activate its massive network of advertisers and infrastructure within Gemini, making its path to revenue far faster and easier.

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.

OpenAI's publicly stated plan to spend $1.4 trillion on AI infrastructure is likely a strategic "psyop" or psychological operation. By announcing an unbelievably large number, they aim to discourage competitors like xAI, Microsoft, or Apple from even trying to compete, framing the capital required as insurmountable.

OpenAI's aggressive partnerships for compute are designed to achieve "escape velocity." By locking up supply and talent, they are creating a capital barrier so high (~$150B in CapEx by 2030) that it becomes nearly impossible for any entity besides the largest hyperscalers to compete at scale.

During a technology shift like AI, if the trend proves real, companies that failed to invest risk being permanently left behind. This forces giants like Microsoft and Meta into unprecedented infrastructure spending as a defensive necessity.

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.