Exactly. Without a CoC the persons making hard decisions have to stand behind them. With a CoC they can hide behind the CoC and wash their hands in innocence. This lowers the barrier for making questionable decisions and overall decreases honesty. We've seen this with the suspension of Python core maintainer Tim Peters.
Wow, I somehow missed all that. That's horrendous. I've always felt that a code of conduct is a tool for bureaucrats to hide behind, and episode doesn't alter my view. Thanks for sharing.