Couldnt charge at home; didnt have the leisure time to hang out in parking lots for half an hour at a time or orient my errands around charging. Yes, scaling is a problem, but for a time a couple years ago, Mirai's were selling middle of the EV pack in local markets where infrastructure exists.
In California, several public transit agencies have begun converting their bus fleets in part to hydrogen. Easier to scale when it's just single depot locations. Seems to be going well enough this far. We'll see how it goes.
I come from the transit world, we have a well understood saying: if it doesn’t scale, it doesn’t matter. The scaling problems are structural: It doesn’t matter.
I come from the aerospace world, where we understand there is a real difference between something that cannot be done, & something that is prohibitively difficult/ expensive at present. My impression is that issues with H2 are the latter, not the former. Any number of things could change its status.
Going by the pod above, Joe Romm, a physicist, pretty much agrees with that take. Careful to say: ‘nothing’s impossible’, but that is a long distance from, ‘we should invest public funds in this’ and/or rely on this as the likely answer. Seriously focus on cleaning up fertiliser production alone 1st