It seems clear the author does not have knowledge on the subject, more than glossing over -- the article even emphasises that information is removed by the blur

It seems clear the author does not have knowledge on the subject, more than glossing over -- the article even emphasises that information is removed by the blur (100% wrong). I agree it may not have destroyed the experiment entirely, but it does mean the experiment was conducted without knowledge of basic signal processing and I would prefer a more through study or analysis before drawing conclusions...