Both opinions agree that you should not vote for Obama, that is the editorial strategy, the different motivations are to capture the whole range of voters.
Nowadays it is even easier to do this, thank to personalized news. They can tell unemployed people that immigrants are stealing all the jobs, while they can tell taxpayers that immigrants are leaving off grants. They can even tell cat lovers that immigrants are eating all the cats.
The idea you are pushing that Op-Eds are a whiteboard for diverse opinions is either innocent or malicious.
except for encryption