I assume you are suggesting that there is no such thing as cheap green hydrogen.
Curtailment occurs when there is more renewable energy than the grid needs or can handle. That energy gets wasted. The variability of renewables means that wind/solar gets overbuilt so as to provide more flexibility during less optimal periods. As a result, the energy lost due to curtailment has been increasing.
https://www.eia.gov/todayinenergy/detail.php?id=60822
If that wasted electricity was used to produce green hydrogen, the economics is much improved.
This has been suggested for the UK. https://www.rechargenews.com/wind/turn-wasted-wind-power-into-green-hydrogen-and-save-uk-billions-study/2-1-1583623
This is an evaluation of this strategy for California. Evaluating the Economic Impact of Using Curtailed Renewable Energy Sources for Green Hydrogen Production | IEEE Conference Publication | IEEE Xplore