While you may have some points in regards to some "snake oil" types. So called science is not all it's cracked up to be when so many studies are shut down when the funding source's bias and the emerging results don't line up.
Or when publicly funded studies are locked away from view behind high priced firewalls meaning that those who control access to the information controls the information.
There are biases on both sides of these arguments and the average public is left caught between the various claims to authority and left to make their own decisions based on what seems right to them.