Even though most who obtained it (Project Veritas) didn't trust it to be authentic, causing it to mostly not be published, the FBI attacking those who obtained it seems to show otherwise. Then the New York Times pretty overtly verify it as being authentic, also.

It had concerning suggestions of being molested and taking showers with her dad, asserting she thought that was inappropriate.

..so I think you are right, that only well established damage control campaign with a solid role villain to point to, could distract from such a concerning finding.