I mean, it's an elderly person acting strangely and aggressively, not really remembering it, and even when confronted with video evidence claiming that's not how they act...
They should be straight up asking if she's going to seek medical evaluation as she's showing signs of dementia.
We need to stop handling this shit with kid gloves.
The last people to realize they're experiencing signs of dementia, are the people experiencing signs of dementia.
Maybe they were always horrible people and were just always holding it in. But loosing that ability to hold it in is still a sign of normal age related mental decline.