If freedom of speech is absolute, how come it's not applied for private spaces and for the Internet?

Threats of violence

You have freedom to travel. If I loan you my car, I can tell you not to take it out of town, because it’s mine, you have no right to use it, and if I give you permission to use it I can tell you what you can and can’t do with it.

Conspiracy

Patriots OC Josh McDaniels Discusses Offense's Progress and Other Takeaways From Monday's Practice - New England Patriots

And much, much more.

Fraud

If you’re wondering why free speech doesn’t apply to the internet, it’s because you have no right to use other people’s stuff for free.

What to know about Jeff Bezos' upcoming Venice wedding — and the protests against it - NPR

Revenge porn

You have freedom of speech. If I loan you my computer, I can tell you not to use it for certain things, because it’s mine, you have no right to use it, and if I give you permission to use it I can tell you what you can and can’t do with it.

Perjury

He invented a viral watch-cleaning device. Now he says the American dream has been 'ripped out of my hands' by Trump tariffs. - NBC News

Freedom of speech does not apply to:

Terroristic threats

No freedom is absolute.

Ryan Blaney hits right notes in Nashville, lands first Cup Series win of season - NASCAR.com

False advertising

Revealing classified information

That’s what it is. You have no right to use other people’s stuff. If people let you use their stuff, they can tell you how you can use it, and they can tell you to stop using it any time they want.

Can you give an example of a documentary where the person telling the story believed it to be true, but it turned out to be false?

Trade secrets

HIPAA violations

Insurrection

Trump's U.S. Steel decision may come later than expected - Axios

Child pornography

Insider trading