What do you mean the right to have an audience? People still need to buy the freaking thing, why does Amazon get to decide if they can or cannot? Different rul

What do you mean the right to have an audience? People still need to buy the freaking thing, why does Amazon get to decide if they can or cannot? Different rules apply when you are a monopoly. Amazon refusing to sell a book is very different from a Mom and Pop shop doing the same.