Exactly, the issue isn't that people are unhappy with the online delivery methods that exist, it's that the ones that do exist are free.
Most people will not pay for something they can get for free, even if the pay version is just of moderately higher quality. It has to be much, much higher quality.
Since this is just plain text articles, basically - I don't see many people paying for the service when bookmarks work just as well, even on the iPad.