In fact, Olivia would've forgotten about the issue if Tyrell hadn't brought it up.
It was already in the past.
She could understand his stance. He was simply protecting himself, so she had never thought of revenge.
However, the Monroes had life so easy these years that they had forgotten what kind of place this was.
Tyrell was now picking fault with her simply because she ignored his facade.
Since he wasn't giving in, Olivia figured that there was no need for her to back down. "Uncle Tyrel