[seanmcdirmid]

For the last point, never put your name on a paper that isn’t yours, even if you help out with the editing. It isn’t your works, if someone asks you about it later it will be awkward. That isn’t even mentioning that the quality of the work still might not be up to your own standard. The only case where this doesn’t apply is adviser-student relationships, but in that case the adviser should really be more than just an editor.