Any action can be done in protest of something, right?

If I protest you for some reason that I could get some people to sign up for, could I break into your house and take your stuff?

You could do anything you want in protest. No where did I state that it absolves you of legal consequences. You protest in the form that you want, and if it’s illegal, the state will get involved.

But why does this get labeled as a protest and not say January 6th?

Well, destruction of government facilities for starters