I am willing to guess that you have no idea what the FDA found in the nic-free cigarettes. This is just paranoid ravings.
Yes, we have seen plenty of manipulation of government regulatory agencies in the past. The problem is that you can't just throw out everything they do because you have no other process for testing the safety. The most suspect is anyone who publishes their findings only in the popular press. You can guarantee that is compromised, and if it is not, you have no way of knowing.
However, when a professional organization publishes something like
this, you have a chance that this work will be either corroborated or refuted by another professional organization. Whereas, someone's youtube video is not held to the same standards.