Consensus

‘Consensus’ is a word that is listed as meaning ‘general agreement’ in Merriam-Webster.R. 12. Feb, 2020. 
"Science says"
 "J&J knew that mining talc resulted in some asbestos contamination and even tests back in the 70s showed that it was certain. And yet they hid this from the public and now people are dying from using their baby powder. https://www.reuters.com/investigates/special-report/johnsonandjohnson-cancer/"
""Proctor had found that the cigarette industry did not want consumers to know the harms of its product, and it spent billions obscuring the facts of the health effects of smoking. This search led him to create a word for the study of deliberate propagation of ignorance: agnotology."
Agnotology; Ponerology
Argumentum ad populum
Full consensus
Scientism; Pseudo-scientist.