I agree that's a problem and would be very happy to see native support for paid updates added to the MAS instead of the hacks developers are currently stuck with. I didn't say the MAS is without downsides (the original article does a good job of spelling them out), but joesmo is arguing that the MAS has no real benefits to the user. I don't think that's true, and that's why I really hope Apple fixes these issues instead of letting the exodus continue.