"Former Obama administration ethics counsel Norman L. Eisen was among those criticizing that move. And here's what Eisen said back in December, when Kushner's potential role in the Trump White House first made news:
It's possible that Kushner's familial relationship with Trump is part of the reason he's been subjected to more scrutiny than any other White House adviser in this probe. And as emphasized above, we have no idea what will come of this.
But if scrutiny of Kushner becomes more intense and there appears to be some validity to it, it will reinforce a central reason why ethics experts say these kinds of arrangements are to be avoided in the first place.