See that just it, we don't actually know if it was the contractors. Maybe the contract was subpar, maybe the government signed off on a bad design, or maybe the contractor did screw up. Open source the code and all of the mystery will be gone, well know exactly what the root cause was. Open source the contract, the code, and the emails and notes involved in picking the winner for this proposal.

Without the facts, everyone's just guessing or making things up. Open source everything on this. It's our money, what was it spent on?