The grift must extend well beyond that. They spent 60 million on these things. Even if they weren't completely useless they'd have a hard time justifying more than 10 million of that. If the city had any sense, which of course they don't, they'd pay for a forensic accountant to see what happened.
Edit: A lot of articles say $200,000 total cost but I can't find a good source on that. If this is just a pilot with a few shades that's much easier to run through.
The grift must extend well beyond that. They spent 60 million on these things. Even if they weren't completely useless they'd have a hard time justifying more than 10 million of that. If the city had any sense, which of course they don't, they'd pay for a forensic accountant to see what happened.