With so little time left in FFXIV 1.0 i don't see this much of a problem maybe it would work with FFXIV 2.0 client i had a USB converter myself using a ps2 controller for FFXI. But after time i just got a xbox 360 one due to the fact that all games release have support for it from day one.

Not sure why the Main that happen would do anything to your controller when it was a server side update not a client side