No, usually a full lab/industrial cylinder of H2 only runs about 2500 psi. Portable bottles would run much lower pressures, especially if they were well-insulated cryogenic (liquid hydrogen) storage.
The danger inherent in hydrogen is much less than that of gasoline. Hydrogen, being a gas and lighter than air, will rise away from a leak, and dissipate into the atmosphere. Gasoline, on the other hand, pools and collects and concentrates, from leaks. Hydrogen's flame has a low emissivity compared to gasoline flames, meaning that one can get much closer to a hydrogen flame and not suffer any heat injury than one could get to a gasoline fire.
Hydrogen is already in wide use, daily, around the world in industrial settings. It's a material to be respected, surely, but procedures for safe handling of hydrogen have long been established and are well-tested.
And the Hindenburg? Two-thirds of the people aboard walked away.
I also heard that the main fire itself was fueled by the aircraft skin, not the hydrogen.
I saw a demonstration of just how explosive and deadly GASOLINE was.. it was very scary, they compared it to dynamite.
This, from the article.. 10,000 psi tanks and an invisible flame (if ignited) ?!.
As mentioned earlier, H2 might not be too safe in an underground garage or tunnel, etc (nowhere for the gas to rise to).. I don't know , but these sound like reasonable safety issues that would have to be addressed,... right?