There are very few pro-porn voices in the corporate, tie-wearing environments that have the money to train new LLMs from scratch.

Oh, there are loads of porn enjoyers working in such companies - but traditional professionalism means you leave the porn at home during the work day. It is, after all, NSFW.

So at the meeting where censorship decisions were being made, even a weak argument for censoring explicit content will be accepted unopposed.