Whistleblowers act against power structures and that's the ultimate transgression as far as the power structure is concerned. Transgressions in favor of the state are one thing, you'll get a slap on the wrist at most, even personal benefit and promotion in some cases, but transgressions against the state are what will provoke a real response. See, for example, the incredible vigor pursued against the people who relea…
We tried once on a subreddit, but even after 2 rounds of donation, this poor guy's life was burned to the ground 90%. (joblesness, lawyer fees, potential lawsuits, social anger from people supporting big corps, wife leaving him, no roof at time.. brutal)
If they are to be helped, it has to be done with fine strategies and not a full frontal fight.