Detritus wrote: Online courses can be designed well, and can work well, but most are not and do not except for self-motivated and well prepared students who would learn in practically any environment. As study after study has shown, at-risk students are best served by individual attention .... Blended instruction--combining face-to-face and online instruction...approach doesn't allow corporate reformers to reduce educators to hourly wage earners, it's not a popular approach with the Rhees and Gateses and their friends.
I generally agree with what you say. I'm not sure you can dismiss Rhees and Gates as people who just want cheap teachers. I don't personally like Rhees, and don't want to defend her demonizing style, but lets not respond in kind.
I think online learning for college level work might make some sense.