What would Tmobile or those whose details have already been leaked have to gain from going after the guy now? The information is already out there, is it not?
Well, the first thing that springs to mind is to make an example out of him to discourage others trying to pull similar stunts.
Second, if the dude manages to make any appreciable sum out of selling the data, the corrupt officials may come by with the proverbial $5 wrench and encourage him to share the spoils for continued protection and avoidance of wrench induced bruising.
It could even simply be a matter of harrassment by the Turkish government because existing bribes are suddenly, say, insufficient. Under penalty of prison, of course.
Unless he gets a cushy gov't cybersec job from all this, which is another angle I have just considered.
