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

Terroristic threats

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.

Revealing classified information

What is it like to have an insanely beautiful girlfriend?

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.

Fraud

HIPAA violations

NASA Mars Orbiter Captures Volcano Peeking Above Morning Cloud Tops - NASA (.gov)

Trade secrets

No freedom is absolute.

Perjury

Is it okay if I am not interested to talk to any of my relatives as I saw the real faces in my brother's marriage as none of them helped us rather were a kind of disappointment and were talking bad?

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.

Freedom of speech does not apply to:

Why does Biden not understand how the high inflation which he has caused in the last 2 1/2 years is making life difficult for retirees and seniors?

Child pornography

Threats of violence

False advertising

Taylor Swift and Travis Kelce Wear Matching Outfits For Their First Public Appearance in Months - instyle.com

Conspiracy

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.

Stunning and mysterious 'red sprite' lightning storm captured in photos - Earth.com

Insider trading

Insurrection