If you're an astroturf / PR company, that's often exactly what you're aiming at if you want to deny something. Just muddy the waters. I'm not saying this is th

If you're an astroturf / PR company, that's often exactly what you're aiming at if you want to deny something. Just muddy the waters. I'm not saying this is the case here but I've seen it on other issues. It's an easy trap to fall into "we just don't know and there are different voices". In a functioning society, there's a clear channel from the science to the public, via the journalists.