Students of all levels could sit behind their computers at home, and receive quality instruction from the finest teachers. Electronic correspondence courses. The Internet can probably deliver all the information taught in a university, as can a good encyclopedia. Because isolated facts don't make an education. Meaning doesn't come from data alone.
Creative problem solving depends on context, interrelationships, and experience.
The surrounding matrix may be more important than the individual lumps of information. And only human beings can teach the connections between things.