Meta are willing to be downright evil if it's profitable. Just ask the Rohingya. They might have hired enough DEI people that there was a cadre of pro-DEI thought within the company, but at a higher level that was only ever preemption against regulatory action, and evidently they weren't ever allowed to take root.
> This is just them running with their tails between their legs before the new admin takes over.
They're not running away from this, they're running towards the new admin, mouths wide open to receive. This admin promises to be amazing for dead-eyed big tech fuckery and they want in. And it's a win-win for them as they can also save the expensive DEI and fact-checking cost center departments while they're at it.