Focusing on heavy lift, thats often, and increasingly a niche which incurs massive costs because of increasing urban density, or location of resources needing to move between two points without either canal, or rail, or constraints like bridges and tunnels. Moving parts of aircraft through villages of france, demands an army of planning and consequence for 10cm clearances. If you can lift the same objects you avoid this pain.

If you're doing mining, wind tower deployment or anything similar you're probably negotiating land access and dealing with unexpected problems all the time. Reliable airship lift could reduce costs significantly in this niche.