It's a bit of a leap to say that the model must be censored. SD and all the open image gen models are capable of all kinds of things, but nobody has gone after the open model trainers. They have gone after the companies making profits from providing services.
The for-profit part may or may not be a qualifier, but the architecture of a centralized service means they automatically become the scene of the crime -- either dissemination or storing of illegal material. Whereas if Stability creates a model, and others use their model locally, the relationship of Stability to the crime is ad-hoc. They aren't an accessory.