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

Fraud

And much, much more.

Insurrection

Magic Johnson Bluntly Blames Two Players for Knicks' Season-Ending Loss - Sports Illustrated

Perjury

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.

Insider trading

Trump proclamation seeks to restrict international students from Harvard - The Washington Post

Trade secrets

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.

False advertising

How do flat earthers explain the Earth being stationary? Is this concept considered impossible?

Conspiracy

Child pornography

Terroristic threats

☆ what's the thing that made u fell in love with your bias?

Revealing classified information

Revenge porn

Threats of violence

Crypto Bros Celebrate Themselves at Bitcoin’s Most MAGA Convention Yet - Rolling Stone

HIPAA violations

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.

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.

Delta Air Lines Warns Tariffs Could Halt New Airbus Orders & Eliminate Flights - Simple Flying

Freedom of speech does not apply to:

No freedom is absolute.