Our society is not without faults. Our domestic and foreign policies are also often flawed. To correct failings, we need people who point them out, however unpopular that may be. We should be enabling a wide framework of public discourse, not seeking to silence people. To date, we haven’t quite reached the level of hysteria of 1950s McCarthyism, but we are perhaps coming close.
The only system compatible with full liberty is anarchy. But you stated that economic democracy is libertarian, and then proceeded to call for it to be mandated. Mandates are authoritarian, not libertarian.