The segment is about Khan Academy, a non profit, web based educational tool. Their mission is "to provide a free world class education to anyone anywhere. I despised almost every day I ever spent in a classroom, this may have made a difference.
Khan's approach to education is Competency ie Mastery based vs traditional, bell curved General Education. The debate over which is better has raged for decades. Your answer will depend upon who's ox is being gored, your child's or your school.