Quick hit here: In 2021, Amazon reduced the visibility of books critical of vaccine efficacy in 2021 after the White House and the WHO browbeat them. To Amazon’s credit, they initially stood their ground, clarifying that Amazon’s stance against “misleading content” referred to erroneous or misleading information about a product for sale, such as calling a CD player a CD/DVD player, or representing magic beans as antibiotics. Amazon said that the policy did not refer to the veracity of claims made in published material which is itself a product. They quickly caved, however.
https://www.dailysignal.com/2024/02/05/exclusive-amazon-bowed-white-house-pressure-suppress-books-skeptical-covid-19-vaccine/