The Aeros could start a new era of airships

I believe that there was a brief era when airships were in their
prime, but the invention of the airplane as well as the Hindenburg
accident changed all that. Yes, zeppelins are simply not the most efficient means of air travel.
The reason why has to do with a buoyancy problem which is about
venting the helium in order to return to earth. This makes take-offs
and landings quite costly.