When I imagine how a child with a childhood like Naomi might turn out, I imagine somebody who's good at charming and manipulating adults, but has boundaries issues, a sense of entitlement, a need to be the center of attention, and difficulty relating to other children her age.
Because one Wesley was enough.
That and Will Wheton received tons of hate mail from fans due to his character. TPTB were kind enough not to want to put another young child thru that again. Good for them, nobody needs another Dana Plato.