As the female colleague, I'm going to throw my 2 cents in, here.
I don't need anyone to speak up for me about anything. I'm outspoken enough that if I was actually offended by something I would say something myself. The ridiculous one-eyed snake joke was not ill-intended, nor did I feel harassed, and I'm going to remove myself as an example, here.
Let's not derail the conversation that needs to be had about CoCs. It's a little ridiculous to discount the attempts that are being made to make the community better because one of the directors that helped write it told an off-color joke at a conference that one time.