"the United States is stolen land that should be given away" is a self-disparaging comment - it only works when you're lying. Just like "Oh, don't mind the me

"the United States is stolen land that should be given away" is a self-disparaging comment - it only works when you're lying. Just like "Oh, don't mind the mess" bridges the tension when your place is basically clean, "Take our country back" has social meaning so long as you don't mean it and no one believes you.