buy up most of the GPUs or the resources used to produce them
That would backfire IMHO. Specifically, GPUs would become more expensive, but that would last only as long as it takes for the GPU producers to ramp up production (which is very unlikely to take more than 5 years) after which GPU prices would go lower than they would’ve gone if we hadn’t started buying them up (because of better economies of scale).
GPUs and the products and services needs to produce GPUs are not like the commodity silver where if you buy up most of the silver, the economy probably cannot respond promptly by producing a lot more silver. If you could make leading-edge fabs blow up in contrast that would make GPUs more expensive permanently (by reducing investment in fabs) or at least it would if you could convince investors that leading-edge fabs are likely to continue to blow up.
That would backfire IMHO. Specifically, GPUs would become more expensive, but that would last only as long as it takes for the GPU producers to ramp up production (which is very unlikely to take more than 5 years) after which GPU prices would go lower than they would’ve gone if we hadn’t started buying them up (because of better economies of scale).
GPUs and the products and services needs to produce GPUs are not like the commodity silver where if you buy up most of the silver, the economy probably cannot respond promptly by producing a lot more silver. If you could make leading-edge fabs blow up in contrast that would make GPUs more expensive permanently (by reducing investment in fabs) or at least it would if you could convince investors that leading-edge fabs are likely to continue to blow up.