Often these are less about actual disasters and more like the brandenburg airport, where a lot of money (and more than originally expected) is spent for very little gains.
Brandenburg airport, I think we might watch the same podcast (with slides).
The context makes it clear that the parent means the car tunnel itself is the disaster. The video on the disaster is going to discuss why the tunnel is a failure. The project will be a disaster.
I'm reading that to mean a disaster like the Brandenburg airport in Berlin
No, the commenter believes a disaster will occur and is looking forward to seeing evidence that their predictive ability is accurate.