Here's the skinny.
1. Brian is known for a controversial test when people act like pundits on what Christianity is or isn't. He asks them to publicly confess faith in Christ.
Outside of rural Africa or Indonesia, where you can still be killed for it, "witch" is not really pejorative now.
It's kind of like a back alley doctor.
If one were indifferent or proud of being a witch, would one be totally upset about the label? On the other hand, if one has a sense of guilt or feels like maybe they indeed do not have authority, then Brian is right.
Take the L.