Probably because she was in the comfort of her own home when she took those "classes". She's the first, or one of the first lawyers (maybe in the country) that graduated from an on-line law school to be admitted to a state bar. From what I understand (and I didn't know this was possible until last week), California is on of the only states in the country that allows such a thing.
Considering Taitz' performance I'd say that's a good thing for the other 49.