Yes but OP’s whole spiel is about us having enough excess energy to do things like turn CO2 into feedstocks and currently we can’t do that (well at least in no

Yes but OP’s whole spiel is about us having enough excess energy to do things like turn CO2 into feedstocks and currently we can’t do that (well at least in no way is it economically viable to do that), and the proportion of green H2 is tiny in comparison to that made with fossil fuels, so it clearly isn’t economically effective to do that yet either