At least they had something in place to mitigate the attack that they knew would eventually happen given the past attacks on xbox live etc.
Shame it backfired but as a learning experience I'm guessing others will be using the same cache style system to keep gamers playing so they can ignore the in laws, parents, kids etc
Off topic but got a nice xbox for Christmas from the Mrs. Took an hour to install assassins creed and start playing. Something not right there when you could sick a cd in a ps1 and be playing in less than a minute :/