Criminal law is something that applies to humans. Indeed if an Uber executive or manager was shown to have hidden the rape they could be prosecuted. Otherwise generally for a criminal matter, the individual who commit the crime is civilly responsible.

However, when it comes to selling products, the company executives do carry criminal liability. That is why Amodei et Al want to make it so that the models are seen as independent and the government cares them out a safe harbor. They know that under the current and traditional interpretation of the law that they are criminally liable.