1. They're hardly empty.
2. This is called 'making the experts defend themselves', which is what this entire site does every single day on subjects like climate change, the economy, abortion, and general Left Wingnut thinking. This is no different.
No matter what you call it, it consists of empty-headed recitation of propaganda points and misrepresentation of legitimate research. No legitimate, serious scientist (i.e. expert) feels the slightest need to "defend" himself from this kind of inanity.