Shakespeare makes them out to have manly qualities and may not be women at all. The witches mirrors what the Church opposed.
On a cosmic level, their ‘supernatural soliciting’ contradicts the word of God; on a political level, the witches tempt Macbeth to usurp the throne by killing Duncan, a crime Macbeth himself is reluctant to commit, since the king was not only the representative of God, but also Macbeth’s relative and a man asleep, who could not defend himself. On an individual level, he undergoes one of the most frightening experiences of fear. (Brînzeu