Free speech is a cultural value. It sometimes manifests itself in the form of codified laws like the first amendment to the US Constitution. However, free speech is not limited to the USA. The idea behind free speech is that people are allowed to put forward new ideas ( especially ideas about how to organize society, what is good and moral etc ) so that people can consider and accept or reject them. The idea is that…
Free speech is also a technological (or lack thereof) outcome. In 1700s, if you had a misguided evil thought, your chance of realizing full effect was still low because your thought must travel through multiple hops, each hop evaluating your idea and possibly terminating the propagation with some probability. So in societies without technological advancements, bad ideas and their damaging effects can stay contained i…
Allowing all ideas a fertile ground to grow and gain followers is important.
Allowing individuals with a small social reach (e.g. live in a small, conservative, remote town) to access a wide range of ideas is important.