To me what the author is describing as 'healthy self-doubt' doesn't sound like self-doubt to me at, but rather admitting one doesn't know everything, one needs

To me what the author is describing as 'healthy self-doubt' doesn't sound like self-doubt to me at, but rather admitting one doesn't know everything, one needs to surround oneself with competent people, etc. If you feel you're good-to-go except there are some things you just don't know, I'd say you're not suffering much self-doubt at all.