Why, when you encounter a server error, does the FFXIV application close to desktop? Why can't it just go back to the title screen and let you retry without having to enter your login information every time?
If spamming login might congest the server, can't you just put a delay on the button or something so you couldn't press it again until about the time it would take to log in again? My poor security token must needs take a rest, I should think.