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

False advertising

Freedom of speech does not apply to:

Trade secrets

Vancouver Whitecaps lose Concacaf Champions Cup final to Cruz Azul - MLSsoccer.com

Insider trading

Conspiracy

Insurrection

What explanations do flat earthers have for the shape of our planet? If they do not have any, why should their opinions on this topic be considered credible?

And much, much more.

Threats of violence

HIPAA violations

Fans don't appear to be snatching up tickets to the Club World Cup - KING5.com

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.

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.

Revealing classified information

Why do many Hong Kong Chinese look different from the Han Chinese in mainland China?

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.

Perjury

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.

Less is more: To build muscle and gain strength, researchers say train smarter—not longer - Medical Xpress

Fraud

Revenge porn

Child pornography

Have you ever seen your wife being fucked?

No freedom is absolute.

Terroristic threats