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

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.

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.

Fraud

Musk threatens to decommission a key space station link for NASA - AP News

Insurrection

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.

No freedom is absolute.

What are some alternatives to noise canceling headphones for sleeping on airplanes and in noisy environments?

Child pornography

Revealing classified information

Insider trading

This Common Herb May Hold the Key to Fighting Alzheimer’s, According to a New Study - Food & Wine

And much, much more.

Perjury

Threats of violence

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Terroristic threats

Trade secrets