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

Freedom of speech does not apply to:

Revealing classified information

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.

5 foods to add to your diet to prevent magnesium deficiency - Times of India

Perjury

Insider trading

No freedom is absolute.

CFPB enforcement lead resigns, slams ‘attack’ on core mission in departure email - CNN

Child pornography

Conspiracy

And much, much more.

Can you name an example of bad parenting?

Fraud

Revenge porn

Trade secrets

Anthropic Researchers Warn That Humans Could End Up Being "Meat Robots" Controlled by AI - futurism.com

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.

Threats of violence

Inflation Expectations Decline; Labor Market Expectations Improve - Federal Reserve Bank of New York

HIPAA violations

False advertising

Terroristic threats

What is the irony of life according to you?

Insurrection

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.