If freedom of speech is absolute, how come it's not applied...

Freedom of speech does not apply to:

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.

How is TikTok able to censor porn?

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.

Insider trading

Revenge porn

Why do you think most harem anime and manga have lame male protagonists that would be considered losers and pathetic by most people?

Fraud

Trade secrets

Terroristic threats

Six killed by Israeli gunfire near Gaza aid site, Hamas officials say - BBC

Child pornography

And much, much more.

Perjury

What are the best examples of reverse psychology?

Revealing classified information