OK then. The AKP leak exposed nothing, but rather added to an incredibly stressful and precarious situation in Türkiye. It carelessly aided in doxing most women in Türkiye. It helped spread malware. It was a good opportunity to co-opt the press around the coup.
You're assuming that the goal is to expose something - that is, you're starting your argument with the idea that he's got some political agenda to achieve.
But he's stated that his goal is to weaken the powerful by making it so that they can't trust anyone to keep their secrets. In that context, any uncovering of a leader's secrets is work toward his goal.
You can argue that the costs of what he's doing exceed the benefits, but I think your claim doesn't support the argument you're trying to apply it to.