And I would disagree 
I don’t say that we do not have conflicts of interests, but I say, and I think it is aligned with what @zbyszek said: conflicts of various interests is the definition of what our project is.
We don’t need more policies to state and govern the obvious. It just brings corporate-style bureaucracy to the human-oriented project.
“Assume good faith” is our default rule of communication. Making decisions based on technical merit and data, publicly and openly, providing the justifications - is our default approach to governance which helps build trust around it.