She is harder to market, because at least with Maya girls can dream of growing up to play like she does. Not many girls can dream to grow up to be 6"8. She is also seems to have a quieter personality than Maya, and has less international experience. That is a huge part of marketability these days.
. Too bad Baylor won't get that recognition this year. (OK, I'm not super sad about that). Also, the tandem of Kemba Walker and Maya Moore in the Final Four got both of them lots of recognition.