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

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.

Conspiracy

Revenge porn

Why are Democrats at Q so desperate that they keep taking down my links to comments that prove the residents in Ohio have been filing complaints about the Haitians eating the local wildlife from ponds in the local parks? Election interference

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.

Fraud

Insurrection

Which branch of engineering is better: ECE or Civil?

Trade secrets

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.

No freedom is absolute.

What is it like to be a Christian in Iran?

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.

False advertising

And much, much more.

What are the reasons for people being banned from social media sites like Twitter and Instagram? Why is it considered a big deal?

Terroristic threats

Threats of violence

Revealing classified information

I caught my neighbor leaving his 12-year-old son home alone and he has not come back in 6 hours. Should I call CPS?

HIPAA violations

Freedom of speech does not apply to:

Child pornography

What caused the decline of the Soprano crew?

Perjury

Insider trading