The first amendment applies to the government limiting free speech, not privately held companies. All companies have the right to refuse people’s business and enforce their own moderation rules. It is illegal to yell fire and insight violence and over throw the government.
Should law makers and people who represent be allowed to lie about the law and misrepresent it? Should they be held accountable for willfully misrepresenting the law?
If the FBI and other agencies reached out to warn Capitol Police of threats of violence against the Capitol would the this also be something covered in the president and president elects #dailysecurity briefings? Do the daily briefings include domestic threats?