Pernicious effects of political correctness

"Were third-party bugging a prevalent practice, it might well smother that spontaneity—reflected in frivolous, impetuous, sacrilegious, and defiant discourse—that liberates daily life."

-- Justice Harlan, dissenting (Supreme Court of the US), United States v. White, 401 U.S. 745 (1971).

The presumed harmful effects against people of both state surveillance and political correctness are of the same character. 

Most Liberals opposes surveillance but participate in political correctness. Many Conservatives reject both, which is at least consistent. 

I believe that language intolerance, regarding both form and content, is a major liability against freedom, democracy, and personal emancipation.