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

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.

HIPAA violations

No freedom is absolute.

Why is the Middle East prone to terrorism?

False advertising

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

What are the most significant instances of romantic jealousy in the Harry Potter series?

Terroristic threats

Revenge porn

Conspiracy

Where's the Civil War everyone on the left said would happen?

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.

Insider trading

Freedom of speech does not apply to:

Why do some men want to remain single despite the fact that many women want to have a romantic relationship with them?

Insurrection

Revealing classified information

Fraud

Can I have a comfortable life as a nurse in Sweden? Can I buy a house and not worry about the cost of living?

Trade secrets

And much, much more.

Child pornography

What are the signs of covert narcissistic abuse that most people miss?

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.

Threats of violence