Sometimes, a person has to break the rules to stand up for what they believe in. The OP is certainly welcome to open up a flag on this. However, I am not going to support it, just like I do not support the US Government prosecuting Snowden.
Bob's biggest mistake was revealing his real identity.
If he had created the thread with the newbie account which he used to talk to the acc sellers, It wouldn't have come to this.
Sometimes it is better to be the hero with no name.
If the acc sellers are smart enough to use throwaway accounts to scam people by selling hacked accounts,
You should counter intelligence them with throwaway accounts. Not with your main.