So @sama has articulated the way many guys in Silicon Valley feel about "free speech". It's not a very sophisticated or informed view, but it's pretty common and he's influential, so it's worth identifying why it's dangerous and wrong.http://blog.samaltman.com/e-pur-si-muove
The claim is not that he prefers living in China over living in the US, but that based on his experiences in both countries, he worries that public discourse in the US (which prides itself for being liberal) may have become in parts less pluralist than in China.