My best guess is that it was a (not very good IMO) joke that can be expanded as follows: according to the study, libertarianism is correlated with being better at abstract, analytical reasoning; so since the article writeup has an unnoticed contradiction, the writer must not be a libertarian, according to the very study being described.
My best guess is that it was a (not very good IMO) joke that can be expanded as follows: according to the study, libertarianism is correlated with being better at abstract, analytical reasoning; so since the article writeup has an unnoticed contradiction, the writer must not be a libertarian, according to the very study being described.