Matthew Green does not believe there is a Truecrypt conspiracy. Source: I've discussed this with him at length as an advisor to the TC audit project.
Steve Gibson isn't a cryptographer, and your quote doesn't respond to my question.
Bruce Schneier I'll have to accept as a totally valid rebuttal to my implied point. This is something that really irritates me about Schneier, for what it's worth. He's also behind a meme that elliptic curve cryptography is less safe than RSA, when the reality is almost the opposite.