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

Conspiracy

No freedom is absolute.

Perjury

Meta Set to Throw Billions at Startup That Leads AI Data Market - Bloomberg.com

Revealing classified information

Child pornography

Terroristic threats

The One Food Registered Dietitians Say Isn’t as Healthy as Most People Think - Yahoo

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.

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.

Aut perferendis voluptatibus eum sapiente officiis est explicabo itaque.

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.

Insurrection

Trade secrets

South Korea’s opposition leader Lee wins election as voters punish conservatives after martial law chaos - CNN

Freedom of speech does not apply to:

Revenge porn

False advertising

GameStop Earnings Reveal Return to Profits. Why the Stock Is Dropping. - Barron's

And much, much more.

Threats of violence

HIPAA violations

What's your review of "The Queen Who Ever Was," Episode 8 of Season 2 of 'House of the Dragon' (spoilers)?

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.

Fraud