This doesn't include the one thing I explicitly asked for and is a big obstacle for at home production: compressing hydrogen to 700 atmospheres.
The you still have to overcome the 50% energy loss in the fuel cell. And even this article doesn't mention any numbers regarding the efficiency of the electrolysis.
You don't understand the commitment to batteries? They are 3 times more efficient, easier to fill, and easier to recover energy from. And those obstacles don't deem to go away anytime soon.
I would recommend saving your energy and disengaging with this guy.
He was just banned minutes ago from the open source community on lemmy.ml for an almost carbon copy of this conversation of blantant trolling and reaction baiting.