Actually, I didn't. Thank you for pointing this out.

However:

The designated private space should not have been invaded without permission. There likely were other places they could have gone, and they should have been told so before they entered her space. Both the initiator of the event and the principal should have known better.

Further, she should be reinstated with back pay. Sometimes I respond on a thread with first impression. I'll watch out for that, especially when I'm in a state of can't sleep due to a bit of back pain.