Amazon now is showing why critics of the monopoly concept from Lord Acton to Major Douglas, to Eric Butler, and Arnie Luks, have hit the nail on its rusty head. Amazon has become so big and powerful now, especially due to the Covid-1984 conspiracy, the president-destroying scam, that it just does what it likes, as Big Tech has done, the censoring of a president of the United States is a clear example. Here is a great rundown by Abigail Shrier, whom I know nothing about, detailing this.
https://abigailshrier.substack.com/p/book-banning-in-an-age-of-amazon