Change a couple of nouns and this reads like Sherlock Holmes. Jest aside, thanks for sharing this. My takeaways: You have shared this experience with enough direction that the next person to fall into this situation will have this resource to work with. Developers contemplating entering this space will be heartened to know that there is a history of the community helping to rescue funds in such situations. This reduces risk and helps grow the space.
As the infrastructure gets rolled out for a trustless financial network, the community of infrastructure builders exhibit trustworthiness along the way.