> "I really don't see what airships all bring to the party"
Heavy lift. Put hundreds of tons of house(s) from a house factory or skyscraper level(s) from a skyscraper factory on them, airlift them to the building site around the country.
Centralise most of the building work in one efficient scaled up factory, deliver an enormous buildings quickly piece by piece by air instead of slowly by having all the parts driven around windy roads and through closed city streets and assembled by a crews of people travelling to the building site and home every day.
Heavy lift. Put hundreds of tons of house(s) from a house factory or skyscraper level(s) from a skyscraper factory on them, airlift them to the building site around the country.
Centralise most of the building work in one efficient scaled up factory, deliver an enormous buildings quickly piece by piece by air instead of slowly by having all the parts driven around windy roads and through closed city streets and assembled by a crews of people travelling to the building site and home every day.