So really he probably doesn’t feel he has a mandate to get much done?
I think he does sincerely believe in what he is doing and that he is carrying out the will of the people as expressed in the Brexit Referendum. My concerns are with the political reality. He is facing a daunting challenge with out the support of a large part of his own party and thoroughly divided Parliament. I have a more detailed commentary at http://ad-orientem.blogspot.com/2019/07/johnson-takes-helm.html .
His only job is to deliver Brexit. He can do that by basically delaying. Delay until November 1 and the UK automatically crashes out