[meowface]

Then the fear should be over whether the FBI is competent at investigating, not whether researching Wannacry will get them arrested.

There's a big disconnect because people seem to be associating this guy's arrest with his serendipitous Wannacry incident. But there's no correlation at all. He is alleged to have had a shady past (corroborated by many reputable HN commenters) and later turned white hat.