If take a good look the book is red from Lin Jie's perspective but it turns purple on Wilde's. Also, his approach also gave a butt load of misunderstanding.
Lemme get this straight, the book from MC's perspective, it is just an ordinary book but when he gave them his book, it morphs into something they need?
Before you condemn her. Have you considered that she is blacked mailed here? I mean, if she openly defy her dad, do you think he would not poison her and her adopted son like he did to the count? Imagine yourself in her shoes for goodness sakes!
The way he showed up is one thing... But the way he told the enemies to stop calling him the hero just showed how much of a monster he can be to those who chose to be a monster.