> Hydrogen is also the most abundant element on Earth, so it looked like the perfect solution for decarbonization.

Wow, what an absurd take. As if people who are doing technical research to find out, in which way hydrogen might be a viable energy carrier, would ever consider this a criterion.

One shouldn't take one isolated statement and judge the credibility of the rest of the text and of the author based on that, yes.

But this statement alone makes me instantly doubt the rest of the reasoning will be sound.