Maybe they're copying behaviors that got modeled for them at home?

"'I tried to be nice with them in the elevator,' she said, 'but they weren’t being nice. They wouldn’t stop. They were just repeating the same things they were saying. They were being aggressive and mean. I was just trying to go to my appointment. Everything else was just very distracting.'"

~ Jordan Fischer

"Patient testifies anti-abortion group harassed her"

https://www.wusa9.com/article/news/crime/not-ok-at-all-patient-had-to-climb-through-window-to-get-past-anti-abortion-clinic-blockade-jury-sees-lauren-handy-joan-bell-heather-idoni-rescue/65-3121182b-a939-4931-a1f8-368267226aa5