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

No freedom is absolute.

Insider trading

Child pornography

What's your love story?

Insurrection

Fraud

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.

Why can't NASA just bite the bullet and launch a plainly simple mission, audited by flat earther peers start to finish that definitively proves to even the smallest minds that the earth is an oblong spheroid, and not flat?

Trade secrets

Freedom of speech does not apply to:

Revealing classified information

Why is it common for guys to sleep with 10-20 women then marry a good girl?

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.

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.

Threats of violence

Fortnite Map Changes In Chapter 6 Season 3: Super - GameSpot

False advertising

Conspiracy

HIPAA violations

963 RSP Revealed: Meet Porsche's Street-Legal Le Mans Hypercar - Motor1.com

Terroristic threats

Perjury

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.

Scientists discover that the oldest continental crust on Earth is disintegrating - Earth.com

And much, much more.

Revenge porn