The Discworld1 might seem at first glance a bit backward compared to our own world, but at least their witches provide something akin to universal healthcare, elder care, community organizing, etc.
Esmerelda Weatherwax was one of the Discworld's most powerful witches. She wasn't quite the "Head Witch", but only because there's no such thing as a "Head Witch" — all witches are of course equal to all other witches.2 But she was powerful. And she was certain.
Being certain in the knowledge that you know what you know is at the heart of Headology, the witch's equivalent of what we call "psychology". The rest of it is essentially just the knowledge that most everything can be cured with a bit of common sense, lies-to-children, and mysterious herbal pastes and ointments.
There's a lot to be said for that.
Certainty, that is.
If you don't know yourself, who does?
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The Discworld series is to Harry Potter as Battle Royale is to Hunger Games; it's better and fuller and came out first. ↩
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Witches are, however, superior to wizards, whom are just silly men in glittery hats. ↩