They need to create outrage because the truth is just not outrageous enough to scare people into handing over a blank cheque to run the government. They want their base cowering in fear that any and all opposition to the party is this amorphous evil group think out to oppress them.

Think lots of people who grew up around sexual predators understands this, they see the victims as vindictive and ungrateful, in their minds they did nothing wrong. They always twist their actions to be the fault of the victim, so releasing information to hurt the victims is 100% predictable.