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

Insurrection

Conspiracy

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.

Harvard Asks For Summary Judgment in Funding Case, Says White House Pushed Cuts Despite Agency Objections - The Harvard Crimson

Threats of violence

Fraud

Child pornography

NY retail worker safety law takes effect this week. Here’s what it does. - Gothamist

Revealing classified information

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.

Perjury

Your Blood Test Can Now Track Junk Food Consumption - Indian Defence Review

And much, much more.

Terroristic threats

HIPAA violations

Telescope Captures First-Ever Ultra-Fine Magnetic Stripes on the Sun’s Surface! - The Daily Galaxy

No freedom is absolute.

Trade secrets

False advertising

UPDATE: Additional measles exposure locations in Marquette, Delta counties - Upper Michigan's Source

Insider trading

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.

Revenge porn

FDA grants limited approval to new Covid vaccine from Moderna - NBC News

Freedom of speech does not apply to:

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.