Hydrogen is what the fossil fuel industry would LOVE to be the defacto "sustainable" solution to the absolute disaster they've presided over. Anything they're for, I'm flatly against.
See details here: https://news.ycombinator.com/item?id=31826918
See details here: https://news.ycombinator.com/item?id=31826918
But if PV/Wind sourced green hydrogen does work, and the input cost is low enough, then maybe the fossil fuel companies can be the capitalists which sell the workers the rope to hang them with?