Maybe their research is ongoing, maybe they are afraid of being sued, maybe they'd rather not harm a company so reputation without fully understanding why they do this
So why did they publish the text now then (other than obviously for self-promotion)?
Why not finishing their research first, discussing with lawyers how not get sued, and contacting the company about it so that they can fix it or comment on it, and only then publishing the proper, responsible research that is actually useful to someone?