Unfortunately, Bitcoin is an excellent medium for scaming.
I think what you meant to say or in my opinion should have said is, "Too bad the average person doesn't do enough to secure their money and is a target for scamming". Just like anything else people will be targeted for scams if the scammer feels their targets have something of value they want.
There are other ways that people can scam without stealing the private keys. For example around a month ago there was an article about people who were sending letters to restaurants threatening to give them bad reviews on sites like yelp if they did not send them 1