Technology

Oh, if they actually manage to run a passenger line for a little while I'll try to go for a ride on it - you know, just to see it before they go bankrupt.

But that's the thing, it's only attractive as an "adventure" or publicity stunt (I can see a short-lived market for "influencers"), kind of like taking passenger rail in the US - it's fun to ride the train when you can afford multiple days of travel time. The difference is, freight rail is practical, useful and economically viable and pays the maintenance cost of the rail lines. This gasbag won't ever be useful in that sense, and it won't ever have value as a regular commuter vehicle.

The only practical use I can see for this is if you need to stay in the air over a particular area for an extended time - maybe an observation platform? but you could just put cameras on a smaller, cheaper balloon...

None of the proposed use cases make sense.

Another important niche could be responding to natural disasters like earthquakes, volcanic eruptions and hurricanes.

This is a farcical pipe dream. How would it respond? It can't carry enough weight to be useful, and a helicopter would be faster and more flexible for delivering medical personnel or extracting victims. If there's one thing you want in emergency response, it's speed. And you certainly wouldn't take this thing anywhere near a recently erupted volcano or a hurricane because the air currents would be crazy hazardous for a lighter-than-air vehicle.