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

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.

And much, much more.

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.

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Freedom of speech does not apply to:

Terroristic threats

Insurrection

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Child pornography

Conspiracy

Revealing classified information

Are MAGA the "useful idiots" for the radical-right billionaires like Charles Koch and Elon Musk?

Insider trading

Perjury

Trade secrets

Is a man over 50 not married no kids a red flag?

Threats of violence

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.

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.

Which unexpected celebrity has done a bold or revealing photoshoot?

Revenge porn

HIPAA violations

Fraud

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False advertising

No freedom is absolute.