Why does Obama fight strawmen?

But I think the real source of Obama's ignorance is that he is our first postmodern president. ... Also, the fact that Obama was likely a benefactor of the "diversity" fraud, means that he had even less cognitive equipment than the typical student to resist the neo-Marxist indoctrination he was about to receive.
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Is it any wonder that this remains Obama's primary mode of argument when it comes to addressing conservative objections? You know, "some people say that we should hunt down children of the poor and bury them alive in shallow graves. But Democrats don't believe that. We have a better idea."