Or in a few years time memory chip production will meet demand, and prices will decrease.

Or the winners of the AI race will make enough money to buy up the majority of global production indefinitely...

But even if things recover in a few years, Apple makes a lot of money from massive markups on RAM and storage and not allowing upgrades. If their customers keep paying, and I suspect they will, there'll be no incentive to bring prices down, not for the higher-end devices at least.