“My Book Defending Free Speech Has Been Banned” (quillette.com)

Meanwhile on the right: https://twitter.com/PhilosophyTube/status/117606984628879769...

Freedom of speech[1]

[1] whenever convenient for me, which is usually, because i'm in a position of wealth and power

It wasn't banned - his publisher didn't want to publish it because it was a liability to their bottom line. He could self publish or use a different publisher - it's not "banned", it's just a liability - and not surprising since the author has a problem with false equivalency.