I don't think we disagree? My claim was that many bright low-income kids don't know about or understand the opportunities available to them. Obviously it's not

I don't think we disagree? My claim was that many bright low-income kids don't know about or understand the opportunities available to them. Obviously it's not because they're stupid -- we're talking about kids smart enough to go to Harvard -- so yes, I think the majority of the reasons are cultural and/or stem from lack of information.