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

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.

Trade secrets

Perjury

Zelenskyy says Russian drivers 'didn't know anything' about role in audacious drone attack - ABC News

Conspiracy

And much, much more.

Insurrection

Jonathan Joss, ‘King of the Hill’ and ‘Parks & Recreation’ actor, dead at 59 after shooting - CNN

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.

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.

Threats of violence

Scientists Just Found the Oldest Barred Spiral Galaxy – And It’s a Monster - SciTechDaily

Terroristic threats

Revealing classified information

Revenge porn

Why can't the ISS take a picture of Earth and prove to the Flat Earth Society that Earth is not really flat?

Fraud

Insider trading

HIPAA violations

Why Passing on Palantir Technologies Stock (PLTR) is a Big Mistake - Yahoo Finance

False advertising

Freedom of speech does not apply to:

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.

Testosterone heightens men’s sensitivity to social feedback and reshapes self-esteem - PsyPost

No freedom is absolute.

Child pornography