Rita's logic was flawless—she was completely unbothered by emotions or sentiment.
Just like when she had traded with Winter Sea Frenzied Shark earlier, she hadn't relied on analyzing his personality or emotions. She didn't know him at all, nor did she understand what kind of alien creature he was.
And really, emotions, feelings, or character traits were all too subject to change depending on the situation.
Rita didn't bother analyzing these fluctuating or even performative aspects. Instead, she focused solely on one thing: What was Winter Sea Frenzied Shark desperate to solve? What price was he willing to pay? And what was the result he was trying to get?