Originally Posted by
Shibi
I've seen no indication of that in any letters, notes or otherwise. Considering the only recent capacity issue was with the lobby servers, and there was no time between that 9001/2002 and it's solution to dismantle a QA system, ship the servers to NA, EU and JP DCs, physically install the servers, certify them, load software and integrate, and test the solution.
There have however been two mentions in Yoshida-san's notes that the QA environment wasn't a mirror.
I'm going to go with; they didn't bother to set up a proper test system from the start.