The headline is an easy thing to explain [0], but the article has nothing to do with the headline.
[0] to wit:
You cannot resolve “ought” questions with “is” facts,
Political disputes are almost universally clashes of “ought” beliefs (even when rhetorically framed as being about “is” facts to convince people of different “ought” beliefs to sign on)
Science addresses “is” facts.
Therefore, science cannot resolve most political disputes.
[0] to wit:
You cannot resolve “ought” questions with “is” facts,
Political disputes are almost universally clashes of “ought” beliefs (even when rhetorically framed as being about “is” facts to convince people of different “ought” beliefs to sign on)
Science addresses “is” facts.
Therefore, science cannot resolve most political disputes.