Many modern women's groups are discomfited by witch covens, because the latter often still embrace brooms and cauldrons, which the former eschew as symbols of menial labor and outdated gender roles.
Thank you - I knew that the Wizard of Oz was chauvinistic and has been perpetuating the subjugation of women across the world all this time! I'm going to go smash that VHS tape as soon as I get home.