The apostles did not hire literary agents so that they might become best-selling authors of the story of Messiah. By most scholarly accounts, the first writing of the apostles that we have was written 15 to 20 years after the first post-resurrection sermon – and even that writing was a only a short letter that went to one church in Greece, far from Jerusalem where the ministry had begun with thousands accepting the message.
To properly understand the New Testament documents we must recognize them for what they are and not try to make them something they are not. They are the byproducts of a vibrant social movement. They are not a comprehensive catalog of that movement.