For all the verbiage in the article, the only point that was even close to a reason is that American muslims might be less willing to snitch on their neighbours.  This is a very weak argument and would be difficult to prove.

Really, the US can do anything is wants with its borders.  If they don't like certain countries, well, tough.  What is does do is send a message to the world that the US is willing to assert its boundaries.  

Really, the Globe is wasting our time with these puff piece "opinions".   No more fly weights, please.