Yeah growing up in foster care would suck for somebody used to living with a family, but alot of those kids have never lived with a family and they can't adjust when they do get adopted. It's really more complicated than you might think.
I've heard that pre-teens and teenagers are the most difficult to find homes for. They always have their guard up and have trust issues.
I hate to sound pessimistic, but a White family from the suburbs trying to adopt a Black kid from the inner city isn't gonna work.