The 'shouting fire' example is not a trump card that's valid outside non-live situations. It's not applicable in a live situation where someone [as in your (2)]

The 'shouting fire' example is not a trump card that's valid outside non-live situations. It's not applicable in a live situation where someone [as in your (2)] believes the fire, for what appeared to be a good reason, to be a true risk. Finally, in (4) you seem to believe that an abstract statement is necessarily rendered invalid by someone's failure to adhere to the thrust of its message. It isn't.