The vote system is not effective, because it assumes everyone's opinion is equal.
So If an idiot, says, Eating meat makes you strong, on the internet that has as much leverage as a licensed physician/scientist saying, no it causes cancer, diabetes, and heart disease.
Then you have the blue and red maga, who are functionally illiterate, and they just latch onto which ever blip agrees with their existing "narrow" "myopic" world view.
Free speech in general, is too broad a notion to enforce, and that's why we've never truly enforced it. We've done it as window dressing, but push comes to shove, black body bag and an unmarked grave .