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

No freedom is absolute.

False advertising

Freedom of speech does not apply to:

What is a real life example of the Streisand Effect?

Fraud

Insider trading

Conspiracy

We white women don't like white men. Do you have any issue with that?

HIPAA violations

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.

Ultra-thin lenses halve incident wavelength to make infrared light visible - Phys.org

Revealing classified information

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.

Nintendo Switch update 20.1.1 out now, patch notes - Nintendo Everything

And much, much more.

Terroristic threats

Trade secrets

Blink and your AI security playbook is out of date - Axios

Child pornography

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.

Revenge porn

Why am I attracted to older men?

Perjury

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.