That may be the only thing about Obama that makes sense.
Consider also that there have been a few episodes in public where he is practically incoherent. When one does NOT get dosages and timing correct, that is EXACTLY what a person on heavy meds looks and acts like. And sometimes, the correct dosages just aren’t enough.
We now know that JFK was a walking pharmacology experiment when in office. I have little doubt that the current occupant is not similarly ‘afflicted’.