It isn't good optics at the moment, or good politics, for a company to loudly proclaim "we're firing people because of AI taking their jobs".

That doesn't mean that's what happened, it only means that whether or not its true, most companies aren't going to say it. The few that have said anything of the sort have suffered some backlash, and they aren't even as prominent as Meta or Microsoft (which also just announced plans to reduce by ~7% through buybacks, the first in their > 50 years) And this is on top of their decline to ~210,000 employees after 2025 firing of 15,000.