Actually it does revolve around a guy who essentially hacked the laws around tenancy through extreme cleverness, and social engineered his way through a very peculiar life. This story is really wild and it looks like you and many others didn't actually read it before commenting. It's one of the best longform pieces that I've read in a while.
Actually I read the whole thing - it was written really well. But it's far from extremely clever what he did. Anyone who's studied tenancy law for more than a few days could do the same. The only difference he had was being sociopathic enough to do so - a point which the article makes in the end when he turns out to be a murderer.
Furthermore, none of the above are in any way related to engineering or hackernews, and it's completely off topic for this site.
On-Topic: Anything that good hackers would find interesting. That includes more than hacking and startups. If you had to reduce it to a sentence, the answer might be: anything that gratifies one's intellectual curiosity.
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