I completely agree that MMOs are never finished and have content constantly rolling out, no one will argue that point. However, the fact that this game released with such barebones foundation and lack of things that people took for granted as 'standard' like a combat log or UI customization is what seems to be the problem.
I'm not referring to content shortages. While I do feel there seems to be a slight lack of things to do at 50, that is because it is a new MMO. So content isn't the issue, it's the functionality of the game and its foundation.