Isn't free speech restricted in certain contexts. Like you can't incite a riot or run into a building a yell 'fire!' to rile people up? Stoking fear/attempting

Isn't free speech restricted in certain contexts. Like you can't incite a riot or run into a building a yell 'fire!' to rile people up? Stoking fear/attempting to create societal tension regarding race/class/etc could fall under this umbrella.