Because this is the work of Satan and evil spirits who wander the world seeking the ruin of souls. Cast them into hell.
Demon possession on full display.
Wonder would have happened if the pro-life activist invoked the Name of Jesus and His Blood?
(My best friend and her husband were walking on Canal Street in New Orleans and this homeless guy followed them for for some time, calling out to them and making lewd comments all the while. Her husband got tired of it and rebuked the guy in the Name of Jesus; when he did that, the guy dropped on all fours and ran down an alley way barking like a dog.)