many had the same idea for a couple of years, but not yet the financial muscle or determination or plan to make it reality. Though we know it is the future.
The crypto community is aware of the billions of dollars needed for such projects so they've been so far very cold when others have come up with ICOs for decentralized smart cities.
for example this project from Cyprus, announced in October before yours, was ridiculed:

So I think your approach and strategy is better, because when you have some recognized big shots involved with big funds and reputations (Richard Branson etc) then people will be more inclined to participate in such an ICO.