The third of those.
I agree that were I to be chief with a lack of interest in chiefing, it would be a hindrance for my co-residents and a chore for me. It just seems like the most obvious way to distinguish oneself, but if I'm being honest with myself, it isn't an opportunity I would relish.
I think your second paragraph is reassuring to me. Self-publishing editorials would be more consistent with my personality. I suppose it's a little less public, but it's something I'd enjoy doing within my discipline.