Think about the demand and supply curves of calculations (or computation). For most of history, they moved in tandem, with supply moving slightly faster, so computers would always do more at slightly lower costs.
Now both curves are speeding up, but demand is moving faster, so the costs of hardware are going up. And when high end servers (with GPUs) are unavailable, people hold onto the older ones longer.
Think about the demand and supply curves of calculations (or computation). For most of history, they moved in tandem, with supply moving slightly faster, so computers would always do more at slightly lower costs.
Now both curves are speeding up, but demand is moving faster, so the costs of hardware are going up. And when high end servers (with GPUs) are unavailable, people hold onto the older ones longer.