65% of anti-vax propaganda on twitter was due to 12 people (https://www.npr.org/2021/05/13/996570855/disinformation-dozen-test-facebooks-twitters-ability-to-curb-vaccine-hoaxes)
Climate change example https://wires.onlinelibrary.wiley.com/doi/full/10.1002/wcc.665
Yale and George Mason universities have found only about 15% of Americans are aware that the expert climate consensus exceeds 90%
“Victory will be achieved when average citizens ‘understand’ (recognize) uncertainties in climate science”
“The antidote to climate denialists is to expose the full nature of their financial and ideological corruption, and the similarity of their argumentative strategy to that used in other trumped-up denialist movements about evolution, vaccines, and the shape of the Earth” - How to Talk to a Science Denier
Tobacco Industry - “Doubt is our product“ https://iris.who.int/bitstream/handle/10665/70894/WHO_NMH_TFI_12.1_eng.pdf;jsessionid=6DD3940E52AE2E4DF661C734B6DD0D29?sequence=1