Depends. Some members are known to be experts (as in: you can see right on Github what they actually do) in some areas so they are quite good primary sources. S

Depends. Some members are known to be experts (as in: you can see right on Github what they actually do) in some areas so they are quite good primary sources. Sometimes people argue and provide links to support their point of view. But often you have neither and then the voting system plays the role of the distributed trust you mentioned.