He’s doing it because he knows it annoys the right.
I don’t watch him or any of them because they, including O’Reilly and the rest of the televion celebutards, are just the American version of Bread and Circuses.
Watching them is in the realm of timewasting activities worse than chain smoking in the face of a frigid north wind at breaktime, and slightly better than zoning out and picking one’s nose.
*And no it doesn’t apply to you.
It doesn't annoy; it provides comic relief.