That is a concern, of course. He assuredly has a management - advisory team and it is likely, if not certain, Team Trump has identified the network of active advisors on that team.
Those of us out here at the street level should prudently expect that team is beyond those publicly known advisors, largely composed of the best of the experienced ex-staffers of the Obama WH - further, that those individuals are primed daily by some of the nation's notable Leftists.
“It frightens me that we have no idea who is making the decisions that come out under his signature.”
Without resorting to personally attacking joe for his dementia, that’s exactly the point that Trump should make.