Yes, that's Occam's Razor, for sure. It's probably the most likely explanation, after all. My interest was in the hypothetical reason if the lame-brain omission had been intentional.
You illustrate an excellent point, however. It takes conscious effort, unfortunately, not to give this cadre too much credit. I know better and shouldn't encourage the sort of mistaken thinking that can't conceive of the truth. Becoming president of the U.S. can't be that difficult, obviously. It's clearly easier than winning American Idol.
I think it's exactly the opposite.
He has all sorts of bureaucrats working there who are holdovers from multiple administrations that are responsible for protocol. They knew what to do. Obama specifically had to order this.