I did wonder whether it was wise. Here's a different link saying pretty much the same thing https://www.electronicsweekly.com/news/business/bmw-punt-for-hydrogen-cars-2023-07/
As people will buy anything with a BMW, Audi or Mercedes logo on it, BMW investing in Hydrogen can only be a good thing for those of us better suited by non-electric modes of propulsion and it'll potentially stop lots of holes being dug in Cornwall.