That is an invested capital issue. If it's not worth building a plant, they wont. The supply will fall until the prices rise enough to incentivize new plants. If the elec prices rise enough the datacenters will find alternate solutions .
It seems like people are some how railing against basic economics?
Like if we dont like it we have a marketplace of alternatives, the opportunity to invest in new supply, and the choice to not consume said energy if the price is too high...