Yang Ruxin deliberately did not want to move the Crown Prince.
Because she knew, the more moved he felt now, the more disgusted he might become in the future.
As people's status changes, so too does their mindset. Faced with such predicaments now, the Crown Prince might truly be grateful to them, but what about the future? Even if he did keep his promise and gave Gu Qingheng a position of high authority, there is also the saying about servants outshining the master. Since ancient times, all rulers have one flaw—they cannot avoid suspicion, no matter how wise they are.
There are too many instances of rulers discarding their tools after achieving their goals, with examples found in every dynasty.
She didn't want to risk her life now only to live in constant fear later, so she might as well be more utilitarian and avoid future troubles.
