I think that 'law' is better applied when the headline is trying to catch attention by making an aggressive claim, but wants to not be straight up lying. Here it's genuinely taking a skeptical point of view on binaural beats.
For example 'Could this new device give you thirty more years of life?' (no) versus 'Does Elon Musk have intentions of leaving Tesla soon?' (no) (or yes, I don't really know)
For example 'Could this new device give you thirty more years of life?' (no) versus 'Does Elon Musk have intentions of leaving Tesla soon?' (no) (or yes, I don't really know)