Company policy (literally almost any company) prohibits talking about the company publicly. Simply because any words can be misinterpreted by bad journalists looking for the next sensation.
So Facebook has something to hide. And you are exercising civil disobedience, which means that you also have something to hide. This argument isn't just sophistry. Think about it.
It was fine to ask a sincere question about a throwaway account, but please don't push the point. People shouldn't be hounded for sharing information about situations they know a lot about, such as their employers. We don't want to disincentivize people from showing up to add information, and if they feel a need to create a temporary account to do that with, that's fine.