Well when we see vulnerabilities that can be traced back to boneheaded security, it seems reasonable to have some extra concern. Like when Sony decided to roll

Well when we see vulnerabilities that can be traced back to boneheaded security, it seems reasonable to have some extra concern. Like when Sony decided to roll it's own crypto implementation for the PS3 and forgot to use different random numbers in one part, leading to the root private keys for the device being broken.