Part of mainstream Amish theology is basically that it's the job of the community to handle people sinning, not outsiders, and after rape has been "handled" by a period of shunning it's basically forbidden for community members to not re-embrace them, including their victim.

Fucking nightmare for the victims, for obvious reasons.

But also, & more likely as suggested above, a Norm MacDonald joke. See here: https://www.youtube.com/watch?v=ljaP2etvDc4