Should the freedom of expression be extended to those who are spreading wrong and narrow minded ideas?

Should the freedom of expression be extended to those who are spreading wrong and narrow minded ideas? Should they be allowed to confuse the public?

No, the freedom of expression should not be extended to those who are spreading wrong and narrow minded ideas, since it is harmful for the society and democracy.
No, they should not be allowed to confuse the public because it would be wrong to do so. Spreading wrong information for personal gains is wrong.
Their views can instigate violence, which is dangerous for our society. Nobody can use freedom of speech and expression to incite people or rebel against government.