Goverance: We should complete the async work before we do X
Pay master: We need X done. Do the async work later.
i.e. the person who is paying the money gets to set the priority.
Actual example of this: years ago, the Servo team really would have liked a form of inheritance, to help with DOM stuff. We thought it wouldn’t be right for the language. Rust still doesn’t have inheritance today.
This argument is also predicated on the idea that full time devs get more done than part time ones do. That’s true in a one on one comparison, but there are far more part time ones, so collectively they do way more work.