They went to the guy's house, workplace? Followed him and took pictures?

This article reads like a Kiwi Farms thread. Just saying. I'm not a fan of what they do, but that's what came to mind. And when people do undesirable things, documenting them for public awareness is important. But how deep is too deep when it comes to freelance investigative journalism of this type?

e: critically I'm _agreeing_ that the reporting is important, and I'm not passing judgement either way here, only making a comparison and posing a question