MIT for free? Wikiversity also free

Just read that you could ‘attend’ MIT courses on the web for free here . I knew Wikiversity was adding courses, but it is odd that MIT is doing it as well. Of course, you don’t get credit for either, so maybe that is why MIT is doing it. Plus you can not use any course materials for profit, so no one can ‘steal’ MIT courses now. Maybe that is a smart thing, publish your courses with a license that prevents profit, then you can sue anyone who’s courses are too similar and you prevent any similar courses from being published, since you published first.