There is fundamental confusion on the source of our right to free speech. The right to free speech codified in the 1st Amendment is not a grant of the right of free speech; it is a prohibition against government interfering with an inherent right of Americans:
Congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof; or abridging the freedom of speech, or of the press.
https://fee.org/articles/without-free-speech-all-speech-becomes-government-speech/