somewhat related, does this other lighter than air craft actually have the money to build what they've announced?

https://www.hybridairvehicles.com/our-aircraft/airlander-10/

https://en.wikipedia.org/wiki/Hybrid_Air_Vehicles

there's also these guys: https://en.wikipedia.org/wiki/Worldwide_Aeros_Corp

and there was a lockheed martin semi rigid airship we heard a lot about in like 2014 and almost nothing since then.