Bringing offwiki stuff onwiki is pretty much always considered revealing or outing of personal information from the point of view of Wikipedia policy Theres really no way to argue it In past cases Ive seen it argued Its on a website or the person has allegedly disclosed themselves  that is not a defence if the person has not disclosed it here then we have no business discussing it or raising it here Especially in the manner in which it was raised it would appear that it was intended to harass or humiliate the target and served no purpose beyond that Be warned that if you do it again you will be blocked As Moondyne said you only escaped this one because of elapsed time since the actions taken