Not US. Amazon is a private company. Their main goal is to make money (i.e. increase company value for their investors), they decided that this activity will eventually hurt making money. End of story.
If it looks like a duck and it quacks like a duck...
If you're free to communicate anything on public owned spaces on the internet but there are no public owned spaces on the internet, then you're not free to communicate on the internet.
You've privatized censorship and still call yourself a free country.
