I always thought that the warning lets one walk away before they get triggered. Of course, this would not be possible in every situation, but if I am watching n

I always thought that the warning lets one walk away before they get triggered. Of course, this would not be possible in every situation, but if I am watching news and see a warning for e.g., I can stop watching. Edit: there are many other comments which showed up just this minute which say the same thing. Hence, I just repeated what others seem to concur with too.