When I say "structure" in this context, I mean it to include a social and hierarchical structure as well - namely, others doing the same thing alongside you, an

When I say "structure" in this context, I mean it to include a social and hierarchical structure as well - namely, others doing the same thing alongside you, and someone you have to report to. Without those things, most people don't have the discipline and/or interest to do much of anything. What a university provides is worlds more than self paced or automated online classes, or even online classes where all interaction with others is text.