"Both are keen to work with the FBI to crack down on abusers because only the Feds can provide them with the tools they need to tackle problem posts."
They've got issues*, but unwilling to take the initiative to crackdown themselves fearing a financially damaging backlash.
Sometimes a 'Mandatory' or 'cooperating with the authorities' stance is convenient, sometimes it's not.
Backlash or no, they can deny some of the responsibility. Nothing to do with needing any tools.
The old 'I was just following orders' defence is alive and well.