Earlier quoted context omitted.
I don't think he was harsh enough. I think you're too forgiving of some really awful behavior. Writing a beautiful article or being motivated to get the story doesn't excuse it. The fact that most of the readers of the article won't care doesn't either. She did cross the line. I would be furious if someone I didn't want to talk to (and who knew it) did what she did. The fact she published his private information lead…
What you decry is standard journalistic fare. Tracking down a central figure in your article is a mark of investigative journalism. The individual's desires for privacy do not, by that fact alone, afford them the right to never have anyone try and contact them. We respect his privacy both because of his contributions, and because his feelings are clear. That does not mean everyone else on Earth is obliged to.
It's all about context.