Or many other sources. If you’re writing about Space, you kinda need to cover SpaceX. If you’re opening critical of everything the owner says, pretty soon you won’t have any sources at SpaceX to give you the insights you need to do your job. I get the impression that the space field is pretty small, so you might not want to burn too many bridges.

Also, mission lengths can cover decades. In this case, it might be best to have a short memory when the story has a long time horizon.