Free speech is not a questionable luxury or a tool for oppression. It is an indispensable technology to allow negotiation of conflicting interests and world views without civil war. If you are opposed to free speech, you are very likely not part of a silenced minority, btw.
Society is a complicated clock that is easy to break and hard to fix. Breaking without a tested alternative and a way to emplace it tends to lead to economic breakdown, famine and atrocities.
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