Simply because you preface a phrase with the word "Christian" does not make it so; see Christian Identity.
Also, the editorial oversight of that newspaper is not dependent upon Mary Baker Eddy's deranged disciples, just as the Moonies don't decide what editorials the Washington Times is going to run everyday.
So yes, the people who wrote that editorial probably belong to the aforementioned categories.
I didn't say they were "real" Christians. Now go tell the rest of the world.