Intellectual property should be as protected as any patent. As an Agoras holder, I agree in keeping the value added the technology brings safe, until it's considered necessary.
How would the secret contract work? because the article refers to the code on github, and for what I understood Enigma will use a contract encryption that will require a centralized party to take care of the decoding.
Tauchain is one of those projects that truly makes me think, that's probably why I love reading anything about it; most of the time I need to open a few extra tabs to dissect what the community is saying. ☺
RE: Tauchain and the privacy question (benefits of secret contracts and private knowledge)