Minor point, but if they were written after the disciples' lifetimes, that sort of knackers the contention of them being eyewitness accounts.
At the age of five, Skagra decided emphatically that God did not exist. This revelation tends to make most people in the universe who have it react in one of two ways - with relief or with despair. Only Skagra responded to it by thinking, 'Wait a second. That means there's a situation vacant.'