Likewise, people who see that Amazon can easily weather a moderately aggressive DDoS like that juvenile tantrum thrown by Anonymous now have that much more of a reason to trust Amazon while buying goods or considering where to host cloud-ish stuff.
Juvenile tantrum? They took down Paypal, Mastercard, and Visa. That's not a juvenile tantrum, that is "hulk smash".
In computing, the mean time to failure keeps getting shorter.