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

Insurrection

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.

Terroristic threats

SpaceX launches Starlink satellites to orbit on 70th Falcon 9 flight of the year (photos) - Space

No freedom is absolute.

Threats of violence

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.

When Kundalini is awakened accidentally, what can be done?

Revealing classified information

Insider trading

False advertising

Xbox Surprises Users With Free Copy of One of its Biggest Games - ComicBook.com

Trade secrets

Conspiracy

Revenge porn

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?

Perjury

Fraud

And much, much more.

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Freedom of speech does not apply to:

Child pornography

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.

Steam gamers given 24 hours to grab hit game completely free - GAMINGbible

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.

HIPAA violations