This is a question for black women?

Why is it that I hear all the time that black women have a problem with black men dating white women? I mean, I am white, and I would not care one way or the other if a white man dated a black woman. People should look past the skin color and at the person. I will date any race, as long as the man has a good heart and good intentions.
I am just curious. The reason I am asking is cause there is an article in Essence where Jill Scott is saying that is a problem for her; black men dating white women. I think people need to get over the "race" issue. What are we teaching our kids?
Thoughts?