The Stantons did not give their all in Yvette’s case because they had too much on their hands.
Back then when Nicole was in trouble, Grant got in touch with many parties, including those in the underworld.
Grant really did everything he could to help Nicole.
Thus, his high-profile act back then made him a target to his enemies.
With one wrong step, the Stantons could lose everything.
They were not as fearless as those criminals, nor would they compromise and embark on that path for Yvette’s