I don't see anybody can make concrete remarks about that before people have experienced it. Whole article is full of figures but not providing extensive information about different streams and majors.
IMO it will take sometime to come in race of top b-schools.
Did anyone notice, the MBA program doesn't require your GMAT score!!
The fees of such online courses should be less. So far it looks promising. I see it more as an executive MBA (courses made for mid-career), rather than a traditional MBA with most of the students in 20s.