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

Freedom of speech does not apply to:

HIPAA violations

No freedom is absolute.

What measures are shipping companies taking to navigate around conflict zones like the Red Sea and Black Sea?

Child pornography

And much, much more.

Fraud

Can you write a short story with a twist ending?

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.

False advertising

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.

PC modding repository Nexus Mods has a new owner - The Verge

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

Threats of violence

Will you Vote for Andrew Tate for UK PM?

Insider trading

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.

Perjury

ChatGPT Is Telling People With Psychiatric Problems to Go Off Their Meds - futurism.com

Revenge porn

Insurrection

Conspiracy

Kyle Busch, Josh Berry go sliding in practice at Nashville - NASCAR.com

Terroristic threats

Trade secrets