Oh absolutely. It is one of the primary talking points of the Fogblow bunch.
Or course, Occam's razor would indicate that if a person has troubles producing a real birth certificate, it is because they have a problem producing a real birth certificate, not because it is all a part of a cunning plan, "cunning enough to have been thought up by a fox who has done been made the 'Professor of Cunning at Oxford University"!
If I was on the DNC, I would be posting here as a birther.
That was my theory as well! (You are just a different sort of "birther".)
Since you thought of it too, it must be wrong.