It's Obama who is divisive. I've never seen such an "Us" vs "Them" candidate before. Yet the media pushes him as a uniter and attacks all Republicans as divisive.
The ad is simply truthful. That's why the NYT and the rest of the Left hates it.
You are right. And, it would get much worse if he actually is elected to the Presidency. There would be no criticism from the media, likely Fox News would have its license revoked, and you would see the demise of Rush Limbaugh and other conservative outlets. I see full-blown fascism emerging from an Obama regime.