Toyota really screwed up in deciding that Hydrogen was the energy of the future. Even when everyone else in the world went with electricity they persisted in their failed vision. It's a shame that an otherwise great manufacturer should fall victim to such massive hubris but honestly I think their days are numbered as a major vehicle manufacturer.
There's no chance that hydrogen's going to be a long term success for them and with all their eggs in the one basket it looks like they're dead men walking.
I'm literally one of those people who you say is vanishingly small.
It's not even a "the world is bad and I don't want to subject my child to that" kind of decision. It's more like a series of thoughts over the years: "is this the right time to have a kid?" and it's never a good time.