> You have to be able to push commits other people have made. If you work together in a different repo and then publish the result to github, one person pushes

> You have to be able to push commits other people have made. If you work together in a different repo and then publish the result to github, one person pushes all the commits. I completely missed that use case. Thanks for the explanation! You're right in that no one signs commits (unfortunately, including myself).