These numbers are just the hole from GPUs that have already been bought/ordered. Today's GPUs will inevitably be replaced by something, whether it be better GPU

These numbers are just the hole from GPUs that have already been bought/ordered. Today's GPUs will inevitably be replaced by something, whether it be better GPUs, NPUs/TPUs, ASICs, or FPGAs. As chips get cheaper in the future the hole will grow at a slower rate but it only grows.