My guess is that certain companies are concerned about repercussions related to porn related content due to an impending buyout or IPO. Personally I don’t blame them.
Advertisers hate it, payment providers hate it.
Fediverse has recently been attacked by CP spammers, and instances like the one I’m on has actually shut off image sharing all together.
Moderation is a problem globally, even if this content slips through automated filtering there will always be exposure, and always people affected. And unfortunately the tolerance for CP or even copyrighted content is precisely zero due to public backlash and the news articles.