We are going to see more and more of this as time goes by. The number of noobs that are getting into bitcoin just keeps going up and up so we'll see more coins stolen. People don't like to hear that they are at fault, so the blame will fall on bitcoin and it will have a negative impact on bitcoin's reputation. But, yeah, rich pickings for thieves. Also opens up a door for those who can offer secure wallets. Unfortunately a lot of people have failed in that area so any newcomer will struggle to do it right.