As the mastermind behind the kidnapping of Li Zixia, Morgan Smith might let Lin Fan blow off some steam if Lin Fan killed him, but given Morgan Smith's background, that could bring endless trouble down the road for Lin Fan and Li Zixia—while Morgan Smith himself would die nice and clean.
Compared to killing him, there were better ways to get revenge. For example, making Morgan Smith bleed money—that would hurt him far more than killing him.
A rich man who clawed his way up from poverty cares about money more than anyone. If you send him back overnight to square one, back to having nothing at all, that's often worse than killing him. Plenty of people who've ridden huge ups and downs in life end up killing themselves because they just can't accept it.
Lin Fan wanted Morgan Smith to have a taste of what it felt like to lose everything.
Morgan Smith, who hadn't seen through Lin Fan's intentions, thought he'd scored a bargain and took the initiative to pay the deposit on the spot.
