For about 10 years I was an Online gaming beta tester (Tested everything from Everquest to Warcraft.)
One of the main tests I was part of in every game was stress testing the servers including the login server.
There is noway this bunch of clowns actually did a valid stress test and gave this turd the go ahead to go live.
Reports are that they did a stress test: It failed at a few hundred users and they turned it live anyways.