I know. I've been wondering the same exact thing. Like did something erupt between the two of them? It seems very odd that after TWENTY years she would be let go, and especially right now? And yeah, you would think at least some sort of compensation so that she can land on her feet again.
The whole situation just sucks.
When my husband came home I learned the sister in law guilt tripped him into taking the cat -- she pulled a number on him to get him to agree. He did ask and check with me first too, but still, she guilted him when he tried to say no. Not cool.