I always thought that was a weak argument. The barrier to starting a course is very low, basically entering your email and pressing a button. It's also free. Of

I always thought that was a weak argument. The barrier to starting a course is very low, basically entering your email and pressing a button. It's also free. Of course the "dropout rate" is going to be very high. That said, most people can't even bother to make use of their gym membership, and they are paying hard cash for it.