Earlier quoted context omitted.
When they decided to terminate Parler not even giving them time to move hosts, that wasn't political censorship?
There were extremists on the site making calls to violence. A *private* entity deciding they don’t want to do business with a company because of that is neither censorship as a society would consider it nor is it problematic. More people and businesses should be willing to refuse business to entities that seek to harass, abuse, or promote violence to another group of people. What you’re worried about is governmental…
Amazon sees fit to sell innumerable books by extremists which call to violence. Particularly, but not only, many famous religious texts and political manifestos.