He isn't being silenced or banned as far as I know, but there were multiple people calling for his removal as a part-time partner with YCombinator. Sam Altman

He isn't being silenced or banned as far as I know, but there were multiple people calling for his removal as a part-time partner with YCombinator. Sam Altman summed it up and explained his decision in his blog: http://blog.samaltman.com/the-2016-election http://blog.samaltman.com/the-2016-election