also, the value you get out of it seemed to be mostly curiosity and novelty. Getting a bunch of stats on your heritage is nice and all but it's not any sort of ground-breaking consumer service.
They could charge you a monthly fee to keep you up to date on discoveries in this field relating to your personal DNA? (not sure how often this actually happens....)
Their existing data can't really be used for personalized medicine. If they want to pursue that market they'll need different testing protocols and additional regulatory approvals.