Yet he seems to be determined to do his best to convince everyone otherwise with his rambling, sometimes incoherent, responses that drone on and on without actually addressing the question. His best approach would be to answer a question directly and then quit talking.
As I said, he could have done better, and I don’t disagree with you on that.
But consider that he has purposely cultivated the image of a non-politician. If he came off with a slick answer to every question or challenge, it’d undercut that image. That’s a LOT of his support.