On the flipside, being this open might mean that weaknesses come to light because of the increased scrutiny. It's just like when talking about secure communica

On the flipside, being this open might mean that weaknesses come to light because of the increased scrutiny. It's just like when talking about secure communication, you explain exactly how the public/private key exchange works, what algorithms are used, and how the entire handshake takes place. You don't say "We are keeping those details secret just in case it might aid some hacker". The added benefit of everybody examining the process and agreeing that it's sound and secure is just too great to give up.