You will scare anyone that is new and sees it away.
Wont it just scare people who plan on scamming others, legitimate traders have nothing to fear?
Many would think so wouldn't they?
First it will do nothing but evolve the techniques of scammers. But that is not what I am concerned about.
Lets assume the essentials are correct.
Should his mother and ex-wife pay for his sins? You are possibly punishing others for someone else's wrongs.
But lets look at the What-Ifs:
His mother and ex-wife are good friends, possibly because there are children involved and they are close. So she comes over to 'visit' a lot with the Grand Mother. But you know, the ex-wife really is pissed at her no good ex-husband. So she uses his computer to tarnish his name.
His mom is doing it and blaming her son?
The are children in the house that are computer literate and are using his information.
The neighbor has cracked his wifi and on a visit came over and helped him out with a 'computer problem' and is using his information.
Who would people use to get away with crimes if they were going to frame someone? Would they use an upstanding citizen or use a hooker, persons with problems, etc...
All I am saying is when the community runs across these situations it can be handled discreetly without having to publicly post information that may or may not be correct especially since we don't know the circumstances of all the situations possible.
As far as a new person seeing it. What they would assume is if someone expects them of being a scammer without all the possible facts that someone weird ends up with trading details and a serious search for identity is undertaken. Then when and if agreed by people, their dox are publicly posted hurting not only them but their mothers and wives (ex in this case, apparently).
If SomeoneWeird wants to do this, it is up to him. But do it in an upstanding way, Dox yourself just in case if you are wrong or someone gets hurt, he could share some of the responsibility.