You've misunderstood the parent. They're saying watch out what happens to anyone in the Journalist's book who did not share classified information.

You seriously think this administration is going to get a list of 1,200 government employees who are (legally) informing reporters of the goings-on and just... Let it go? Those people are about to get punished.

And since we're at the point of an unaccountable, unidentifiable Gestapo going door-to-door and arresting / murdering citizens openly in the streets...